Home / 108,257,970.90-149,397,938.01-58,700,016.30

Finding the Fourth Proportional to 108,257,970.90, 149,397,938.01 and 58,700,016.30

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Solution

The fourth proportional to 108,257,970.90, 149,397,938.01 and 58,700,016.30 is: 81,007,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,257,970.90 : 149,397,938.01 = 58,700,016.30 : x
  2. Step 2: Convert to fraction form
    108,257,970.90/149,397,938.01 = 58,700,016.30/x
  3. Step 3: Cross multiply
    108,257,970.90x = 149,397,938.01 × 58,700,016.30
  4. Step 4: Simplify right side
    108,257,970.90x = 8,769,661,396,373,389
  5. Step 5: Solve for x
    x = 8,769,661,396,373,389/108,257,970.90
  6. Step 6: Final answer
    x = 81,007,073.41

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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.