Home / 82,721,139.60-124,081,709.40-22,136,865.60

Finding the Fourth Proportional to 82,721,139.60, 124,081,709.40 and 22,136,865.60

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Solution

The fourth proportional to 82,721,139.60, 124,081,709.40 and 22,136,865.60 is: 33,205,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,721,139.60 : 124,081,709.40 = 22,136,865.60 : x
  2. Step 2: Convert to fraction form
    82,721,139.60/124,081,709.40 = 22,136,865.60/x
  3. Step 3: Cross multiply
    82,721,139.60x = 124,081,709.40 × 22,136,865.60
  4. Step 4: Simplify right side
    82,721,139.60x = 2,746,780,124,406,057
  5. Step 5: Solve for x
    x = 2,746,780,124,406,057/82,721,139.60
  6. Step 6: Final answer
    x = 33,205,298.40

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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.