Home / 156,557,289.95-234,732,279.20-74,688,803.90

Finding the Fourth Proportional to 156,557,289.95, 234,732,279.20 and 74,688,803.90

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Solution

The fourth proportional to 156,557,289.95, 234,732,279.20 and 74,688,803.90 is: 111,983,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,557,289.95 : 234,732,279.20 = 74,688,803.90 : x
  2. Step 2: Convert to fraction form
    156,557,289.95/234,732,279.20 = 74,688,803.90/x
  3. Step 3: Cross multiply
    156,557,289.95x = 234,732,279.20 × 74,688,803.90
  4. Step 4: Simplify right side
    156,557,289.95x = 17,531,873,168,621,742
  5. Step 5: Solve for x
    x = 17,531,873,168,621,742/156,557,289.95
  6. Step 6: Final answer
    x = 111,983,754.80

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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.