Home / 125,051,643.84-172,514,679.98-75,476,170.15

Finding the Fourth Proportional to 125,051,643.84, 172,514,679.98 and 75,476,170.15

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Solution

The fourth proportional to 125,051,643.84, 172,514,679.98 and 75,476,170.15 is: 104,122,960.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,051,643.84 : 172,514,679.98 = 75,476,170.15 : x
  2. Step 2: Convert to fraction form
    125,051,643.84/172,514,679.98 = 75,476,170.15/x
  3. Step 3: Cross multiply
    125,051,643.84x = 172,514,679.98 × 75,476,170.15
  4. Step 4: Simplify right side
    125,051,643.84x = 13,020,747,340,129,938
  5. Step 5: Solve for x
    x = 13,020,747,340,129,938/125,051,643.84
  6. Step 6: Final answer
    x = 104,122,960.25

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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.