Home / 108,264,081.28-149,390,665.68-61,857,340.96

Finding the Fourth Proportional to 108,264,081.28, 149,390,665.68 and 61,857,340.96

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Solution

The fourth proportional to 108,264,081.28, 149,390,665.68 and 61,857,340.96 is: 85,355,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,264,081.28 : 149,390,665.68 = 61,857,340.96 : x
  2. Step 2: Convert to fraction form
    108,264,081.28/149,390,665.68 = 61,857,340.96/x
  3. Step 3: Cross multiply
    108,264,081.28x = 149,390,665.68 × 61,857,340.96
  4. Step 4: Simplify right side
    108,264,081.28x = 9,240,909,343,209,130
  5. Step 5: Solve for x
    x = 9,240,909,343,209,130/108,264,081.28
  6. Step 6: Final answer
    x = 85,355,264.96

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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.