Home / 125,381,036.70-188,071,555.05-67,267,963.35

Finding the Fourth Proportional to 125,381,036.70, 188,071,555.05 and 67,267,963.35

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Solution

The fourth proportional to 125,381,036.70, 188,071,555.05 and 67,267,963.35 is: 100,901,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,381,036.70 : 188,071,555.05 = 67,267,963.35 : x
  2. Step 2: Convert to fraction form
    125,381,036.70/188,071,555.05 = 67,267,963.35/x
  3. Step 3: Cross multiply
    125,381,036.70x = 188,071,555.05 × 67,267,963.35
  4. Step 4: Simplify right side
    125,381,036.70x = 12,651,190,472,280,908
  5. Step 5: Solve for x
    x = 12,651,190,472,280,908/125,381,036.70
  6. Step 6: Final answer
    x = 100,901,945.03

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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.