Home / 64,387,547.10-96,581,320.65-21,263,406.30

Finding the Fourth Proportional to 64,387,547.10, 96,581,320.65 and 21,263,406.30

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Solution

The fourth proportional to 64,387,547.10, 96,581,320.65 and 21,263,406.30 is: 31,895,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,387,547.10 : 96,581,320.65 = 21,263,406.30 : x
  2. Step 2: Convert to fraction form
    64,387,547.10/96,581,320.65 = 21,263,406.30/x
  3. Step 3: Cross multiply
    64,387,547.10x = 96,581,320.65 × 21,263,406.30
  4. Step 4: Simplify right side
    64,387,547.10x = 2,053,647,861,971,530.25
  5. Step 5: Solve for x
    x = 2,053,647,861,971,530.25/64,387,547.10
  6. Step 6: Final answer
    x = 31,895,109.45

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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.