Home / 66,805,876.10-100,208,814.15-58,727,972.90

Finding the Fourth Proportional to 66,805,876.10, 100,208,814.15 and 58,727,972.90

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Solution

The fourth proportional to 66,805,876.10, 100,208,814.15 and 58,727,972.90 is: 88,091,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,805,876.10 : 100,208,814.15 = 58,727,972.90 : x
  2. Step 2: Convert to fraction form
    66,805,876.10/100,208,814.15 = 58,727,972.90/x
  3. Step 3: Cross multiply
    66,805,876.10x = 100,208,814.15 × 58,727,972.90
  4. Step 4: Simplify right side
    66,805,876.10x = 5,885,060,521,742,337
  5. Step 5: Solve for x
    x = 5,885,060,521,742,337/66,805,876.10
  6. Step 6: Final answer
    x = 88,091,959.35

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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.