Home / 90,347,582.71-124,678,407.81-50,112,350.44

Finding the Fourth Proportional to 90,347,582.71, 124,678,407.81 and 50,112,350.44

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Solution

The fourth proportional to 90,347,582.71, 124,678,407.81 and 50,112,350.44 is: 69,154,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,347,582.71 : 124,678,407.81 = 50,112,350.44 : x
  2. Step 2: Convert to fraction form
    90,347,582.71/124,678,407.81 = 50,112,350.44/x
  3. Step 3: Cross multiply
    90,347,582.71x = 124,678,407.81 × 50,112,350.44
  4. Step 4: Simplify right side
    90,347,582.71x = 6,247,928,064,475,953
  5. Step 5: Solve for x
    x = 6,247,928,064,475,953/90,347,582.71
  6. Step 6: Final answer
    x = 69,154,346.77

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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.