Home / 103,959,342.30-155,771,051.85-65,552,123.10

Finding the Fourth Proportional to 103,959,342.30, 155,771,051.85 and 65,552,123.10

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Solution

The fourth proportional to 103,959,342.30, 155,771,051.85 and 65,552,123.10 is: 98,222,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,959,342.30 : 155,771,051.85 = 65,552,123.10 : x
  2. Step 2: Convert to fraction form
    103,959,342.30/155,771,051.85 = 65,552,123.10/x
  3. Step 3: Cross multiply
    103,959,342.30x = 155,771,051.85 × 65,552,123.10
  4. Step 4: Simplify right side
    103,959,342.30x = 10,211,123,166,287,682
  5. Step 5: Solve for x
    x = 10,211,123,166,287,682/103,959,342.30
  6. Step 6: Final answer
    x = 98,222,275.56

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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.