Home / 147,615,697.60-221,423,546.40-56,742,251.20

Finding the Fourth Proportional to 147,615,697.60, 221,423,546.40 and 56,742,251.20

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Solution

The fourth proportional to 147,615,697.60, 221,423,546.40 and 56,742,251.20 is: 85,113,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,615,697.60 : 221,423,546.40 = 56,742,251.20 : x
  2. Step 2: Convert to fraction form
    147,615,697.60/221,423,546.40 = 56,742,251.20/x
  3. Step 3: Cross multiply
    147,615,697.60x = 221,423,546.40 × 56,742,251.20
  4. Step 4: Simplify right side
    147,615,697.60x = 12,564,070,491,423,656
  5. Step 5: Solve for x
    x = 12,564,070,491,423,656/147,615,697.60
  6. Step 6: Final answer
    x = 85,113,376.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.