Home / 493,367,139.47-740,051,970.85-124,902,131.15

Finding the Fourth Proportional to 493,367,139.47, 740,051,970.85 and 124,902,131.15

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Solution

The fourth proportional to 493,367,139.47, 740,051,970.85 and 124,902,131.15 is: 187,353,516.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,367,139.47 : 740,051,970.85 = 124,902,131.15 : x
  2. Step 2: Convert to fraction form
    493,367,139.47/740,051,970.85 = 124,902,131.15/x
  3. Step 3: Cross multiply
    493,367,139.47x = 740,051,970.85 × 124,902,131.15
  4. Step 4: Simplify right side
    493,367,139.47x = 92,434,068,322,928,944
  5. Step 5: Solve for x
    x = 92,434,068,322,928,944/493,367,139.47
  6. Step 6: Final answer
    x = 187,353,516.13

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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.