Home / 136,595,841.31-188,502,825.04-73,871,937.90

Finding the Fourth Proportional to 136,595,841.31, 188,502,825.04 and 73,871,937.90

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Solution

The fourth proportional to 136,595,841.31, 188,502,825.04 and 73,871,937.90 is: 101,943,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,595,841.31 : 188,502,825.04 = 73,871,937.90 : x
  2. Step 2: Convert to fraction form
    136,595,841.31/188,502,825.04 = 73,871,937.90/x
  3. Step 3: Cross multiply
    136,595,841.31x = 188,502,825.04 × 73,871,937.90
  4. Step 4: Simplify right side
    136,595,841.31x = 13,925,068,985,329,446
  5. Step 5: Solve for x
    x = 13,925,068,985,329,446/136,595,841.31
  6. Step 6: Final answer
    x = 101,943,579.33

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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.