Home / 108,431,365.56-149,648,767.02-62,015,177.40

Finding the Fourth Proportional to 108,431,365.56, 149,648,767.02 and 62,015,177.40

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Solution

The fourth proportional to 108,431,365.56, 149,648,767.02 and 62,015,177.40 is: 85,588,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,431,365.56 : 149,648,767.02 = 62,015,177.40 : x
  2. Step 2: Convert to fraction form
    108,431,365.56/149,648,767.02 = 62,015,177.40/x
  3. Step 3: Cross multiply
    108,431,365.56x = 149,648,767.02 × 62,015,177.40
  4. Step 4: Simplify right side
    108,431,365.56x = 9,280,494,834,436,570
  5. Step 5: Solve for x
    x = 9,280,494,834,436,570/108,431,365.56
  6. Step 6: Final answer
    x = 85,588,655.89

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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.