Home / 83,881,037.18-115,696,202.54-55,989,684.90

Finding the Fourth Proportional to 83,881,037.18, 115,696,202.54 and 55,989,684.90

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Solution

The fourth proportional to 83,881,037.18, 115,696,202.54 and 55,989,684.90 is: 77,225,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,881,037.18 : 115,696,202.54 = 55,989,684.90 : x
  2. Step 2: Convert to fraction form
    83,881,037.18/115,696,202.54 = 55,989,684.90/x
  3. Step 3: Cross multiply
    83,881,037.18x = 115,696,202.54 × 55,989,684.90
  4. Step 4: Simplify right side
    83,881,037.18x = 6,477,793,924,061,231
  5. Step 5: Solve for x
    x = 6,477,793,924,061,231/83,881,037.18
  6. Step 6: Final answer
    x = 77,225,963.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.