Home / 121,563,307.40-182,190,132.30-49,678,507.40

Finding the Fourth Proportional to 121,563,307.40, 182,190,132.30 and 49,678,507.40

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Solution

The fourth proportional to 121,563,307.40, 182,190,132.30 and 49,678,507.40 is: 74,454,488.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,563,307.40 : 182,190,132.30 = 49,678,507.40 : x
  2. Step 2: Convert to fraction form
    121,563,307.40/182,190,132.30 = 49,678,507.40/x
  3. Step 3: Cross multiply
    121,563,307.40x = 182,190,132.30 × 49,678,507.40
  4. Step 4: Simplify right side
    121,563,307.40x = 9,050,933,835,672,530
  5. Step 5: Solve for x
    x = 9,050,933,835,672,530/121,563,307.40
  6. Step 6: Final answer
    x = 74,454,488.19

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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.