Home / 75,231,083.61-103,722,782.58-48,722,597.55

Finding the Fourth Proportional to 75,231,083.61, 103,722,782.58 and 48,722,597.55

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Solution

The fourth proportional to 75,231,083.61, 103,722,782.58 and 48,722,597.55 is: 67,174,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,231,083.61 : 103,722,782.58 = 48,722,597.55 : x
  2. Step 2: Convert to fraction form
    75,231,083.61/103,722,782.58 = 48,722,597.55/x
  3. Step 3: Cross multiply
    75,231,083.61x = 103,722,782.58 × 48,722,597.55
  4. Step 4: Simplify right side
    75,231,083.61x = 5,053,643,392,411,490
  5. Step 5: Solve for x
    x = 5,053,643,392,411,490/75,231,083.61
  6. Step 6: Final answer
    x = 67,174,938.20

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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.