Home / 99,653,434.80-149,480,152.20-74,144,266.80

Finding the Fourth Proportional to 99,653,434.80, 149,480,152.20 and 74,144,266.80

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Solution

The fourth proportional to 99,653,434.80, 149,480,152.20 and 74,144,266.80 is: 111,216,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,653,434.80 : 149,480,152.20 = 74,144,266.80 : x
  2. Step 2: Convert to fraction form
    99,653,434.80/149,480,152.20 = 74,144,266.80/x
  3. Step 3: Cross multiply
    99,653,434.80x = 149,480,152.20 × 74,144,266.80
  4. Step 4: Simplify right side
    99,653,434.80x = 11,083,096,286,021,406
  5. Step 5: Solve for x
    x = 11,083,096,286,021,406/99,653,434.80
  6. Step 6: Final answer
    x = 111,216,400.20

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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.