Home / 119,247,192.72-164,450,101.27-77,386,498.57

Finding the Fourth Proportional to 119,247,192.72, 164,450,101.27 and 77,386,498.57

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Solution

The fourth proportional to 119,247,192.72, 164,450,101.27 and 77,386,498.57 is: 106,721,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,247,192.72 : 164,450,101.27 = 77,386,498.57 : x
  2. Step 2: Convert to fraction form
    119,247,192.72/164,450,101.27 = 77,386,498.57/x
  3. Step 3: Cross multiply
    119,247,192.72x = 164,450,101.27 × 77,386,498.57
  4. Step 4: Simplify right side
    119,247,192.72x = 12,726,217,526,767,210
  5. Step 5: Solve for x
    x = 12,726,217,526,767,210/119,247,192.72
  6. Step 6: Final answer
    x = 106,721,317.60

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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.