Home / 215,688,001.30-323,532,001.95-70,121,281.30

Finding the Fourth Proportional to 215,688,001.30, 323,532,001.95 and 70,121,281.30

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Solution

The fourth proportional to 215,688,001.30, 323,532,001.95 and 70,121,281.30 is: 105,181,921.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,688,001.30 : 323,532,001.95 = 70,121,281.30 : x
  2. Step 2: Convert to fraction form
    215,688,001.30/323,532,001.95 = 70,121,281.30/x
  3. Step 3: Cross multiply
    215,688,001.30x = 323,532,001.95 × 70,121,281.30
  4. Step 4: Simplify right side
    215,688,001.30x = 22,686,478,518,288,096
  5. Step 5: Solve for x
    x = 22,686,478,518,288,096/215,688,001.30
  6. Step 6: Final answer
    x = 105,181,921.95

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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.