Home / 103,340,613.40-155,010,920.10-92,818,081.60

Finding the Fourth Proportional to 103,340,613.40, 155,010,920.10 and 92,818,081.60

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Solution

The fourth proportional to 103,340,613.40, 155,010,920.10 and 92,818,081.60 is: 139,227,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,340,613.40 : 155,010,920.10 = 92,818,081.60 : x
  2. Step 2: Convert to fraction form
    103,340,613.40/155,010,920.10 = 92,818,081.60/x
  3. Step 3: Cross multiply
    103,340,613.40x = 155,010,920.10 × 92,818,081.60
  4. Step 4: Simplify right side
    103,340,613.40x = 14,387,816,230,732,878
  5. Step 5: Solve for x
    x = 14,387,816,230,732,878/103,340,613.40
  6. Step 6: Final answer
    x = 139,227,122.40

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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.