Home / 61,951,615.60-85,580,653.68-49,643,471.20

Finding the Fourth Proportional to 61,951,615.60, 85,580,653.68 and 49,643,471.20

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Solution

The fourth proportional to 61,951,615.60, 85,580,653.68 and 49,643,471.20 is: 68,578,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,951,615.60 : 85,580,653.68 = 49,643,471.20 : x
  2. Step 2: Convert to fraction form
    61,951,615.60/85,580,653.68 = 49,643,471.20/x
  3. Step 3: Cross multiply
    61,951,615.60x = 85,580,653.68 × 49,643,471.20
  4. Step 4: Simplify right side
    61,951,615.60x = 4,248,520,716,240,254.50
  5. Step 5: Solve for x
    x = 4,248,520,716,240,254.50/61,951,615.60
  6. Step 6: Final answer
    x = 68,578,045.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.