Home / 103,959,336.30-155,771,042.85-65,552,117.10

Finding the Fourth Proportional to 103,959,336.30, 155,771,042.85 and 65,552,117.10

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Solution

The fourth proportional to 103,959,336.30, 155,771,042.85 and 65,552,117.10 is: 98,222,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,959,336.30 : 155,771,042.85 = 65,552,117.10 : x
  2. Step 2: Convert to fraction form
    103,959,336.30/155,771,042.85 = 65,552,117.10/x
  3. Step 3: Cross multiply
    103,959,336.30x = 155,771,042.85 × 65,552,117.10
  4. Step 4: Simplify right side
    103,959,336.30x = 10,211,121,641,692,318
  5. Step 5: Solve for x
    x = 10,211,121,641,692,318/103,959,336.30
  6. Step 6: Final answer
    x = 98,222,266.56

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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.