Home / 83,690,835.59-125,417,033.74-61,657,942.16

Finding the Fourth Proportional to 83,690,835.59, 125,417,033.74 and 61,657,942.16

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Solution

The fourth proportional to 83,690,835.59, 125,417,033.74 and 61,657,942.16 is: 92,399,079.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,690,835.59 : 125,417,033.74 = 61,657,942.16 : x
  2. Step 2: Convert to fraction form
    83,690,835.59/125,417,033.74 = 61,657,942.16/x
  3. Step 3: Cross multiply
    83,690,835.59x = 125,417,033.74 × 61,657,942.16
  4. Step 4: Simplify right side
    83,690,835.59x = 7,732,956,212,610,303
  5. Step 5: Solve for x
    x = 7,732,956,212,610,303/83,690,835.59
  6. Step 6: Final answer
    x = 92,399,079.99

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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.