Home / 82,721,363.80-124,082,045.70-52,110,362.20

Finding the Fourth Proportional to 82,721,363.80, 124,082,045.70 and 52,110,362.20

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Solution

The fourth proportional to 82,721,363.80, 124,082,045.70 and 52,110,362.20 is: 78,165,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,721,363.80 : 124,082,045.70 = 52,110,362.20 : x
  2. Step 2: Convert to fraction form
    82,721,363.80/124,082,045.70 = 52,110,362.20/x
  3. Step 3: Cross multiply
    82,721,363.80x = 124,082,045.70 × 52,110,362.20
  4. Step 4: Simplify right side
    82,721,363.80x = 6,465,960,343,943,953
  5. Step 5: Solve for x
    x = 6,465,960,343,943,953/82,721,363.80
  6. Step 6: Final answer
    x = 78,165,543.30

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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.