Home / 83,032,643.70-124,548,965.55-39,891,444.30

Finding the Fourth Proportional to 83,032,643.70, 124,548,965.55 and 39,891,444.30

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Solution

The fourth proportional to 83,032,643.70, 124,548,965.55 and 39,891,444.30 is: 59,837,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,032,643.70 : 124,548,965.55 = 39,891,444.30 : x
  2. Step 2: Convert to fraction form
    83,032,643.70/124,548,965.55 = 39,891,444.30/x
  3. Step 3: Cross multiply
    83,032,643.70x = 124,548,965.55 × 39,891,444.30
  4. Step 4: Simplify right side
    83,032,643.70x = 4,968,438,121,860,443
  5. Step 5: Solve for x
    x = 4,968,438,121,860,443/83,032,643.70
  6. Step 6: Final answer
    x = 59,837,166.45

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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.