Home / 247,327,801.60-370,991,702.40-85,769,737.60

Finding the Fourth Proportional to 247,327,801.60, 370,991,702.40 and 85,769,737.60

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Solution

The fourth proportional to 247,327,801.60, 370,991,702.40 and 85,769,737.60 is: 128,654,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,327,801.60 : 370,991,702.40 = 85,769,737.60 : x
  2. Step 2: Convert to fraction form
    247,327,801.60/370,991,702.40 = 85,769,737.60/x
  3. Step 3: Cross multiply
    247,327,801.60x = 370,991,702.40 × 85,769,737.60
  4. Step 4: Simplify right side
    247,327,801.60x = 31,819,860,966,625,284
  5. Step 5: Solve for x
    x = 31,819,860,966,625,284/247,327,801.60
  6. Step 6: Final answer
    x = 128,654,606.40

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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.