Home / 170,791,881.60-256,187,822.40-78,675,441.60

Finding the Fourth Proportional to 170,791,881.60, 256,187,822.40 and 78,675,441.60

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Solution

The fourth proportional to 170,791,881.60, 256,187,822.40 and 78,675,441.60 is: 118,013,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,791,881.60 : 256,187,822.40 = 78,675,441.60 : x
  2. Step 2: Convert to fraction form
    170,791,881.60/256,187,822.40 = 78,675,441.60/x
  3. Step 3: Cross multiply
    170,791,881.60x = 256,187,822.40 × 78,675,441.60
  4. Step 4: Simplify right side
    170,791,881.60x = 20,155,690,059,862,372
  5. Step 5: Solve for x
    x = 20,155,690,059,862,372/170,791,881.60
  6. Step 6: Final answer
    x = 118,013,162.40

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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.