Home / 356,576,811.12-534,901,905.51-123,407,113.86

Finding the Fourth Proportional to 356,576,811.12, 534,901,905.51 and 123,407,113.86

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Solution

The fourth proportional to 356,576,811.12, 534,901,905.51 and 123,407,113.86 is: 185,123,368.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,576,811.12 : 534,901,905.51 = 123,407,113.86 : x
  2. Step 2: Convert to fraction form
    356,576,811.12/534,901,905.51 = 123,407,113.86/x
  3. Step 3: Cross multiply
    356,576,811.12x = 534,901,905.51 × 123,407,113.86
  4. Step 4: Simplify right side
    356,576,811.12x = 66,010,700,357,203,528
  5. Step 5: Solve for x
    x = 66,010,700,357,203,528/356,576,811.12
  6. Step 6: Final answer
    x = 185,123,368.37

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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.