Home / 60,480,111.60-90,720,167.40-55,218,845.70

Finding the Fourth Proportional to 60,480,111.60, 90,720,167.40 and 55,218,845.70

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Solution

The fourth proportional to 60,480,111.60, 90,720,167.40 and 55,218,845.70 is: 82,828,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,480,111.60 : 90,720,167.40 = 55,218,845.70 : x
  2. Step 2: Convert to fraction form
    60,480,111.60/90,720,167.40 = 55,218,845.70/x
  3. Step 3: Cross multiply
    60,480,111.60x = 90,720,167.40 × 55,218,845.70
  4. Step 4: Simplify right side
    60,480,111.60x = 5,009,462,925,538,771
  5. Step 5: Solve for x
    x = 5,009,462,925,538,771/60,480,111.60
  6. Step 6: Final answer
    x = 82,828,268.55

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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.