Home / 130,165,377.64-179,583,729.69-74,370,764.86

Finding the Fourth Proportional to 130,165,377.64, 179,583,729.69 and 74,370,764.86

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Solution

The fourth proportional to 130,165,377.64, 179,583,729.69 and 74,370,764.86 is: 102,606,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,165,377.64 : 179,583,729.69 = 74,370,764.86 : x
  2. Step 2: Convert to fraction form
    130,165,377.64/179,583,729.69 = 74,370,764.86/x
  3. Step 3: Cross multiply
    130,165,377.64x = 179,583,729.69 × 74,370,764.86
  4. Step 4: Simplify right side
    130,165,377.64x = 13,355,779,333,456,790
  5. Step 5: Solve for x
    x = 13,355,779,333,456,790/130,165,377.64
  6. Step 6: Final answer
    x = 102,606,235.05

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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.