Home / 210,045,292.95-289,900,447.43-125,277,846.21

Finding the Fourth Proportional to 210,045,292.95, 289,900,447.43 and 125,277,846.21

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Solution

The fourth proportional to 210,045,292.95, 289,900,447.43 and 125,277,846.21 is: 172,906,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,045,292.95 : 289,900,447.43 = 125,277,846.21 : x
  2. Step 2: Convert to fraction form
    210,045,292.95/289,900,447.43 = 125,277,846.21/x
  3. Step 3: Cross multiply
    210,045,292.95x = 289,900,447.43 × 125,277,846.21
  4. Step 4: Simplify right side
    210,045,292.95x = 36,318,103,668,719,344
  5. Step 5: Solve for x
    x = 36,318,103,668,719,344/210,045,292.95
  6. Step 6: Final answer
    x = 172,906,058.30

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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.