Home / 68,134,463.60-102,201,695.40-61,415,999.60

Finding the Fourth Proportional to 68,134,463.60, 102,201,695.40 and 61,415,999.60

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Solution

The fourth proportional to 68,134,463.60, 102,201,695.40 and 61,415,999.60 is: 92,123,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,134,463.60 : 102,201,695.40 = 61,415,999.60 : x
  2. Step 2: Convert to fraction form
    68,134,463.60/102,201,695.40 = 61,415,999.60/x
  3. Step 3: Cross multiply
    68,134,463.60x = 102,201,695.40 × 61,415,999.60
  4. Step 4: Simplify right side
    68,134,463.60x = 6,276,819,283,805,722
  5. Step 5: Solve for x
    x = 6,276,819,283,805,722/68,134,463.60
  6. Step 6: Final answer
    x = 92,123,999.40

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1.5x scale

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.