Home / 108,918,020.28-150,306,891.66-59,358,405.72

Finding the Fourth Proportional to 108,918,020.28, 150,306,891.66 and 59,358,405.72

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Solution

The fourth proportional to 108,918,020.28, 150,306,891.66 and 59,358,405.72 is: 81,914,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,918,020.28 : 150,306,891.66 = 59,358,405.72 : x
  2. Step 2: Convert to fraction form
    108,918,020.28/150,306,891.66 = 59,358,405.72/x
  3. Step 3: Cross multiply
    108,918,020.28x = 150,306,891.66 × 59,358,405.72
  4. Step 4: Simplify right side
    108,918,020.28x = 8,921,977,457,666,364
  5. Step 5: Solve for x
    x = 8,921,977,457,666,364/108,918,020.28
  6. Step 6: Final answer
    x = 81,914,612.80

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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.