Home / 124,450,553.40-186,843,791.70-98,920,390.20

Finding the Fourth Proportional to 124,450,553.40, 186,843,791.70 and 98,920,390.20

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Solution

The fourth proportional to 124,450,553.40, 186,843,791.70 and 98,920,390.20 is: 148,514,090.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,450,553.40 : 186,843,791.70 = 98,920,390.20 : x
  2. Step 2: Convert to fraction form
    124,450,553.40/186,843,791.70 = 98,920,390.20/x
  3. Step 3: Cross multiply
    124,450,553.40x = 186,843,791.70 × 98,920,390.20
  4. Step 4: Simplify right side
    124,450,553.40x = 18,482,660,781,411,520
  5. Step 5: Solve for x
    x = 18,482,660,781,411,520/124,450,553.40
  6. Step 6: Final answer
    x = 148,514,090.75

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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.