Home / 138,175,760.98-207,335,373.45-56,354,667.22

Finding the Fourth Proportional to 138,175,760.98, 207,335,373.45 and 56,354,667.22

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Solution

The fourth proportional to 138,175,760.98, 207,335,373.45 and 56,354,667.22 is: 84,561,256.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,175,760.98 : 207,335,373.45 = 56,354,667.22 : x
  2. Step 2: Convert to fraction form
    138,175,760.98/207,335,373.45 = 56,354,667.22/x
  3. Step 3: Cross multiply
    138,175,760.98x = 207,335,373.45 × 56,354,667.22
  4. Step 4: Simplify right side
    138,175,760.98x = 11,684,315,973,709,172
  5. Step 5: Solve for x
    x = 11,684,315,973,709,172/138,175,760.98
  6. Step 6: Final answer
    x = 84,561,256.55

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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.