Home / 90,741,666.68-136,112,292.18-38,892,649.46

Finding the Fourth Proportional to 90,741,666.68, 136,112,292.18 and 38,892,649.46

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Solution

The fourth proportional to 90,741,666.68, 136,112,292.18 and 38,892,649.46 is: 58,338,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,741,666.68 : 136,112,292.18 = 38,892,649.46 : x
  2. Step 2: Convert to fraction form
    90,741,666.68/136,112,292.18 = 38,892,649.46/x
  3. Step 3: Cross multiply
    90,741,666.68x = 136,112,292.18 × 38,892,649.46
  4. Step 4: Simplify right side
    90,741,666.68x = 5,293,767,666,953,840
  5. Step 5: Solve for x
    x = 5,293,767,666,953,840/90,741,666.68
  6. Step 6: Final answer
    x = 58,338,885.11

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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.