Home / 119,148,045.14-164,437,616.07-72,131,025.30

Finding the Fourth Proportional to 119,148,045.14, 164,437,616.07 and 72,131,025.30

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Solution

The fourth proportional to 119,148,045.14, 164,437,616.07 and 72,131,025.30 is: 99,548,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,148,045.14 : 164,437,616.07 = 72,131,025.30 : x
  2. Step 2: Convert to fraction form
    119,148,045.14/164,437,616.07 = 72,131,025.30/x
  3. Step 3: Cross multiply
    119,148,045.14x = 164,437,616.07 × 72,131,025.30
  4. Step 4: Simplify right side
    119,148,045.14x = 11,861,053,845,016,856
  5. Step 5: Solve for x
    x = 11,861,053,845,016,856/119,148,045.14
  6. Step 6: Final answer
    x = 99,548,874.94

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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.