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Finding the Fourth Proportional to 66,536,702.40, 99,655,754.40 and 54,592,766.40

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Solution

The fourth proportional to 66,536,702.40, 99,655,754.40 and 54,592,766.40 is: 81,766,650.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,536,702.40 : 99,655,754.40 = 54,592,766.40 : x
  2. Step 2: Convert to fraction form
    66,536,702.40/99,655,754.40 = 54,592,766.40/x
  3. Step 3: Cross multiply
    66,536,702.40x = 99,655,754.40 × 54,592,766.40
  4. Step 4: Simplify right side
    66,536,702.40x = 5,440,483,320,374,972
  5. Step 5: Solve for x
    x = 5,440,483,320,374,972/66,536,702.40
  6. Step 6: Final answer
    x = 81,766,650.95

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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.