Home / 90,742,521,168.78-125,281,193,175.45-57,764,216,093.58

Finding the Fourth Proportional to 90,742,521,168.78, 125,281,193,175.45 and 57,764,216,093.58

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Solution

The fourth proportional to 90,742,521,168.78, 125,281,193,175.45 and 57,764,216,093.58 is: 79,750,593,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,742,521,168.78 : 125,281,193,175.45 = 57,764,216,093.58 : x
  2. Step 2: Convert to fraction form
    90,742,521,168.78/125,281,193,175.45 = 57,764,216,093.58/x
  3. Step 3: Cross multiply
    90,742,521,168.78x = 125,281,193,175.45 × 57,764,216,093.58
  4. Step 4: Simplify right side
    90,742,521,168.78x = 7,236,769,915,048,233,533,440
  5. Step 5: Solve for x
    x = 7,236,769,915,048,233,533,440/90,742,521,168.78
  6. Step 6: Final answer
    x = 79,750,593,457.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.