Home / 78,006,902.80-116,926,373.40-29,466,000.40

Finding the Fourth Proportional to 78,006,902.80, 116,926,373.40 and 29,466,000.40

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Solution

The fourth proportional to 78,006,902.80, 116,926,373.40 and 29,466,000.40 is: 44,167,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,006,902.80 : 116,926,373.40 = 29,466,000.40 : x
  2. Step 2: Convert to fraction form
    78,006,902.80/116,926,373.40 = 29,466,000.40/x
  3. Step 3: Cross multiply
    78,006,902.80x = 116,926,373.40 × 29,466,000.40
  4. Step 4: Simplify right side
    78,006,902.80x = 3,445,352,565,374,949.50
  5. Step 5: Solve for x
    x = 3,445,352,565,374,949.50/78,006,902.80
  6. Step 6: Final answer
    x = 44,167,278.04

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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.