Home / 93,623,920.80-129,144,516.12-61,834,284.96

Finding the Fourth Proportional to 93,623,920.80, 129,144,516.12 and 61,834,284.96

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Solution

The fourth proportional to 93,623,920.80, 129,144,516.12 and 61,834,284.96 is: 85,294,001.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,623,920.80 : 129,144,516.12 = 61,834,284.96 : x
  2. Step 2: Convert to fraction form
    93,623,920.80/129,144,516.12 = 61,834,284.96/x
  3. Step 3: Cross multiply
    93,623,920.80x = 129,144,516.12 × 61,834,284.96
  4. Step 4: Simplify right side
    93,623,920.80x = 7,985,558,810,785,394
  5. Step 5: Solve for x
    x = 7,985,558,810,785,394/93,623,920.80
  6. Step 6: Final answer
    x = 85,294,001.18

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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.