Home / 126,839,317.50-175,035,281.10-74,631,734.64

Finding the Fourth Proportional to 126,839,317.50, 175,035,281.10 and 74,631,734.64

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Solution

The fourth proportional to 126,839,317.50, 175,035,281.10 and 74,631,734.64 is: 102,990,042.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,839,317.50 : 175,035,281.10 = 74,631,734.64 : x
  2. Step 2: Convert to fraction form
    126,839,317.50/175,035,281.10 = 74,631,734.64/x
  3. Step 3: Cross multiply
    126,839,317.50x = 175,035,281.10 × 74,631,734.64
  4. Step 4: Simplify right side
    126,839,317.50x = 13,063,186,651,413,138
  5. Step 5: Solve for x
    x = 13,063,186,651,413,138/126,839,317.50
  6. Step 6: Final answer
    x = 102,990,042.12

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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.