Home / 78,732,734.70-108,651,241.59-43,925,430.54

Finding the Fourth Proportional to 78,732,734.70, 108,651,241.59 and 43,925,430.54

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Solution

The fourth proportional to 78,732,734.70, 108,651,241.59 and 43,925,430.54 is: 60,617,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,734.70 : 108,651,241.59 = 43,925,430.54 : x
  2. Step 2: Convert to fraction form
    78,732,734.70/108,651,241.59 = 43,925,430.54/x
  3. Step 3: Cross multiply
    78,732,734.70x = 108,651,241.59 × 43,925,430.54
  4. Step 4: Simplify right side
    78,732,734.70x = 4,772,552,565,546,304
  5. Step 5: Solve for x
    x = 4,772,552,565,546,304/78,732,734.70
  6. Step 6: Final answer
    x = 60,617,131.92

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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.