Home / 118,104,116.80-177,156,175.20-72,187,614.40

Finding the Fourth Proportional to 118,104,116.80, 177,156,175.20 and 72,187,614.40

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Solution

The fourth proportional to 118,104,116.80, 177,156,175.20 and 72,187,614.40 is: 108,281,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,104,116.80 : 177,156,175.20 = 72,187,614.40 : x
  2. Step 2: Convert to fraction form
    118,104,116.80/177,156,175.20 = 72,187,614.40/x
  3. Step 3: Cross multiply
    118,104,116.80x = 177,156,175.20 × 72,187,614.40
  4. Step 4: Simplify right side
    118,104,116.80x = 12,788,481,663,916,444
  5. Step 5: Solve for x
    x = 12,788,481,663,916,444/118,104,116.80
  6. Step 6: Final answer
    x = 108,281,421.60

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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.