Home / 187,101,000.80-280,226,348.40-118,226,247.20

Finding the Fourth Proportional to 187,101,000.80, 280,226,348.40 and 118,226,247.20

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Solution

The fourth proportional to 187,101,000.80, 280,226,348.40 and 118,226,247.20 is: 177,070,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,101,000.80 : 280,226,348.40 = 118,226,247.20 : x
  2. Step 2: Convert to fraction form
    187,101,000.80/280,226,348.40 = 118,226,247.20/x
  3. Step 3: Cross multiply
    187,101,000.80x = 280,226,348.40 × 118,226,247.20
  4. Step 4: Simplify right side
    187,101,000.80x = 33,130,109,537,891,724
  5. Step 5: Solve for x
    x = 33,130,109,537,891,724/187,101,000.80
  6. Step 6: Final answer
    x = 177,070,723.28

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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.