Home / 136,548,498.60-204,822,747.90-78,196,276.80

Finding the Fourth Proportional to 136,548,498.60, 204,822,747.90 and 78,196,276.80

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Solution

The fourth proportional to 136,548,498.60, 204,822,747.90 and 78,196,276.80 is: 117,294,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,548,498.60 : 204,822,747.90 = 78,196,276.80 : x
  2. Step 2: Convert to fraction form
    136,548,498.60/204,822,747.90 = 78,196,276.80/x
  3. Step 3: Cross multiply
    136,548,498.60x = 204,822,747.90 × 78,196,276.80
  4. Step 4: Simplify right side
    136,548,498.60x = 16,016,376,289,725,018
  5. Step 5: Solve for x
    x = 16,016,376,289,725,018/136,548,498.60
  6. Step 6: Final answer
    x = 117,294,415.20

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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.