Home / 153,138,982.16-229,579,352.76-66,814,072.40

Finding the Fourth Proportional to 153,138,982.16, 229,579,352.76 and 66,814,072.40

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Solution

The fourth proportional to 153,138,982.16, 229,579,352.76 and 66,814,072.40 is: 100,164,773.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,138,982.16 : 229,579,352.76 = 66,814,072.40 : x
  2. Step 2: Convert to fraction form
    153,138,982.16/229,579,352.76 = 66,814,072.40/x
  3. Step 3: Cross multiply
    153,138,982.16x = 229,579,352.76 × 66,814,072.40
  4. Step 4: Simplify right side
    153,138,982.16x = 15,339,131,496,851,778
  5. Step 5: Solve for x
    x = 15,339,131,496,851,778/153,138,982.16
  6. Step 6: Final answer
    x = 100,164,773.73

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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.