Home / 131,437,090.18-197,150,154.77-34,390,649.17

Finding the Fourth Proportional to 131,437,090.18, 197,150,154.77 and 34,390,649.17

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Solution

The fourth proportional to 131,437,090.18, 197,150,154.77 and 34,390,649.17 is: 51,584,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,437,090.18 : 197,150,154.77 = 34,390,649.17 : x
  2. Step 2: Convert to fraction form
    131,437,090.18/197,150,154.77 = 34,390,649.17/x
  3. Step 3: Cross multiply
    131,437,090.18x = 197,150,154.77 × 34,390,649.17
  4. Step 4: Simplify right side
    131,437,090.18x = 6,780,121,806,099,373
  5. Step 5: Solve for x
    x = 6,780,121,806,099,373/131,437,090.18
  6. Step 6: Final answer
    x = 51,584,539.77

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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.