Home / 64,516,856.10-96,773,210.55-21,388,049.70

Finding the Fourth Proportional to 64,516,856.10, 96,773,210.55 and 21,388,049.70

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Solution

The fourth proportional to 64,516,856.10, 96,773,210.55 and 21,388,049.70 is: 32,081,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,516,856.10 : 96,773,210.55 = 21,388,049.70 : x
  2. Step 2: Convert to fraction form
    64,516,856.10/96,773,210.55 = 21,388,049.70/x
  3. Step 3: Cross multiply
    64,516,856.10x = 96,773,210.55 × 21,388,049.70
  4. Step 4: Simplify right side
    64,516,856.10x = 2,069,790,236,871,964.25
  5. Step 5: Solve for x
    x = 2,069,790,236,871,964.25/64,516,856.10
  6. Step 6: Final answer
    x = 32,081,387.13

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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.