Home / 130,165,377.39-179,583,729.35-74,370,764.61

Finding the Fourth Proportional to 130,165,377.39, 179,583,729.35 and 74,370,764.61

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Solution

The fourth proportional to 130,165,377.39, 179,583,729.35 and 74,370,764.61 is: 102,606,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,165,377.39 : 179,583,729.35 = 74,370,764.61 : x
  2. Step 2: Convert to fraction form
    130,165,377.39/179,583,729.35 = 74,370,764.61/x
  3. Step 3: Cross multiply
    130,165,377.39x = 179,583,729.35 × 74,370,764.61
  4. Step 4: Simplify right side
    130,165,377.39x = 13,355,779,262,902,944
  5. Step 5: Solve for x
    x = 13,355,779,262,902,944/130,165,377.39
  6. Step 6: Final answer
    x = 102,606,234.70

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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.