Home / 78,732,701.76-108,651,196.08-43,925,397.60

Finding the Fourth Proportional to 78,732,701.76, 108,651,196.08 and 43,925,397.60

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Solution

The fourth proportional to 78,732,701.76, 108,651,196.08 and 43,925,397.60 is: 60,617,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,701.76 : 108,651,196.08 = 43,925,397.60 : x
  2. Step 2: Convert to fraction form
    78,732,701.76/108,651,196.08 = 43,925,397.60/x
  3. Step 3: Cross multiply
    78,732,701.76x = 108,651,196.08 × 43,925,397.60
  4. Step 4: Simplify right side
    78,732,701.76x = 4,772,546,987,529,561
  5. Step 5: Solve for x
    x = 4,772,546,987,529,561/78,732,701.76
  6. Step 6: Final answer
    x = 60,617,086.43

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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.