Home / 108,323,641.17-149,486,623.38-61,914,891.78

Finding the Fourth Proportional to 108,323,641.17, 149,486,623.38 and 61,914,891.78

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Solution

The fourth proportional to 108,323,641.17, 149,486,623.38 and 61,914,891.78 is: 85,442,549.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,323,641.17 : 149,486,623.38 = 61,914,891.78 : x
  2. Step 2: Convert to fraction form
    108,323,641.17/149,486,623.38 = 61,914,891.78/x
  3. Step 3: Cross multiply
    108,323,641.17x = 149,486,623.38 × 61,914,891.78
  4. Step 4: Simplify right side
    108,323,641.17x = 9,255,448,109,130,318
  5. Step 5: Solve for x
    x = 9,255,448,109,130,318/108,323,641.17
  6. Step 6: Final answer
    x = 85,442,549.84

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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.