Home / 103,340,608.90-155,010,913.35-92,818,077.10

Finding the Fourth Proportional to 103,340,608.90, 155,010,913.35 and 92,818,077.10

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Solution

The fourth proportional to 103,340,608.90, 155,010,913.35 and 92,818,077.10 is: 139,227,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,340,608.90 : 155,010,913.35 = 92,818,077.10 : x
  2. Step 2: Convert to fraction form
    103,340,608.90/155,010,913.35 = 92,818,077.10/x
  3. Step 3: Cross multiply
    103,340,608.90x = 155,010,913.35 × 92,818,077.10
  4. Step 4: Simplify right side
    103,340,608.90x = 14,387,814,906,661,718
  5. Step 5: Solve for x
    x = 14,387,814,906,661,718/103,340,608.90
  6. Step 6: Final answer
    x = 139,227,115.65

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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.