Home / 98,611,704.57-136,088,158.05-54,557,985.93

Finding the Fourth Proportional to 98,611,704.57, 136,088,158.05 and 54,557,985.93

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Solution

The fourth proportional to 98,611,704.57, 136,088,158.05 and 54,557,985.93 is: 75,292,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,611,704.57 : 136,088,158.05 = 54,557,985.93 : x
  2. Step 2: Convert to fraction form
    98,611,704.57/136,088,158.05 = 54,557,985.93/x
  3. Step 3: Cross multiply
    98,611,704.57x = 136,088,158.05 × 54,557,985.93
  4. Step 4: Simplify right side
    98,611,704.57x = 7,424,695,812,131,517
  5. Step 5: Solve for x
    x = 7,424,695,812,131,517/98,611,704.57
  6. Step 6: Final answer
    x = 75,292,236.80

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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.