Home / 130,016,747.46-179,423,068.31-71,278,152.47

Finding the Fourth Proportional to 130,016,747.46, 179,423,068.31 and 71,278,152.47

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Solution

The fourth proportional to 130,016,747.46, 179,423,068.31 and 71,278,152.47 is: 98,363,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,016,747.46 : 179,423,068.31 = 71,278,152.47 : x
  2. Step 2: Convert to fraction form
    130,016,747.46/179,423,068.31 = 71,278,152.47/x
  3. Step 3: Cross multiply
    130,016,747.46x = 179,423,068.31 × 71,278,152.47
  4. Step 4: Simplify right side
    130,016,747.46x = 12,788,944,818,817,850
  5. Step 5: Solve for x
    x = 12,788,944,818,817,850/130,016,747.46
  6. Step 6: Final answer
    x = 98,363,826.73

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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.