Home / 119,126,763.60-178,690,145.40-38,347,731.60

Finding the Fourth Proportional to 119,126,763.60, 178,690,145.40 and 38,347,731.60

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Solution

The fourth proportional to 119,126,763.60, 178,690,145.40 and 38,347,731.60 is: 57,521,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,126,763.60 : 178,690,145.40 = 38,347,731.60 : x
  2. Step 2: Convert to fraction form
    119,126,763.60/178,690,145.40 = 38,347,731.60/x
  3. Step 3: Cross multiply
    119,126,763.60x = 178,690,145.40 × 38,347,731.60
  4. Step 4: Simplify right side
    119,126,763.60x = 6,852,361,735,364,175
  5. Step 5: Solve for x
    x = 6,852,361,735,364,175/119,126,763.60
  6. Step 6: Final answer
    x = 57,521,597.40

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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.