Home / 127,853,737.47-176,486,137.61-83,803,573.89

Finding the Fourth Proportional to 127,853,737.47, 176,486,137.61 and 83,803,573.89

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Solution

The fourth proportional to 127,853,737.47, 176,486,137.61 and 83,803,573.89 is: 115,680,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,853,737.47 : 176,486,137.61 = 83,803,573.89 : x
  2. Step 2: Convert to fraction form
    127,853,737.47/176,486,137.61 = 83,803,573.89/x
  3. Step 3: Cross multiply
    127,853,737.47x = 176,486,137.61 × 83,803,573.89
  4. Step 4: Simplify right side
    127,853,737.47x = 14,790,169,073,341,324
  5. Step 5: Solve for x
    x = 14,790,169,073,341,324/127,853,737.47
  6. Step 6: Final answer
    x = 115,680,381.08

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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.