Home / 66,523,122.90-99,767,363.28-28,164,892.50

Finding the Fourth Proportional to 66,523,122.90, 99,767,363.28 and 28,164,892.50

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Solution

The fourth proportional to 66,523,122.90, 99,767,363.28 and 28,164,892.50 is: 42,240,005.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,523,122.90 : 99,767,363.28 = 28,164,892.50 : x
  2. Step 2: Convert to fraction form
    66,523,122.90/99,767,363.28 = 28,164,892.50/x
  3. Step 3: Cross multiply
    66,523,122.90x = 99,767,363.28 × 28,164,892.50
  4. Step 4: Simplify right side
    66,523,122.90x = 2,809,937,061,789,647.50
  5. Step 5: Solve for x
    x = 2,809,937,061,789,647.50/66,523,122.90
  6. Step 6: Final answer
    x = 42,240,005.27

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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.