Home / 79,071,117.60-118,375,729.20-56,396,301.60

Finding the Fourth Proportional to 79,071,117.60, 118,375,729.20 and 56,396,301.60

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Solution

The fourth proportional to 79,071,117.60, 118,375,729.20 and 56,396,301.60 is: 84,429,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,071,117.60 : 118,375,729.20 = 56,396,301.60 : x
  2. Step 2: Convert to fraction form
    79,071,117.60/118,375,729.20 = 56,396,301.60/x
  3. Step 3: Cross multiply
    79,071,117.60x = 118,375,729.20 × 56,396,301.60
  4. Step 4: Simplify right side
    79,071,117.60x = 6,675,953,326,083,127
  5. Step 5: Solve for x
    x = 6,675,953,326,083,127/79,071,117.60
  6. Step 6: Final answer
    x = 84,429,732.74

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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.