Home / 135,403,728.64-202,963,836.94-56,665,348.61

Finding the Fourth Proportional to 135,403,728.64, 202,963,836.94 and 56,665,348.61

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Solution

The fourth proportional to 135,403,728.64, 202,963,836.94 and 56,665,348.61 is: 84,938,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,403,728.64 : 202,963,836.94 = 56,665,348.61 : x
  2. Step 2: Convert to fraction form
    135,403,728.64/202,963,836.94 = 56,665,348.61/x
  3. Step 3: Cross multiply
    135,403,728.64x = 202,963,836.94 × 56,665,348.61
  4. Step 4: Simplify right side
    135,403,728.64x = 11,501,016,575,428,296
  5. Step 5: Solve for x
    x = 11,501,016,575,428,296/135,403,728.64
  6. Step 6: Final answer
    x = 84,938,699.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.