Home / 121,360,478.40-182,040,717.60-48,612,110.40

Finding the Fourth Proportional to 121,360,478.40, 182,040,717.60 and 48,612,110.40

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Solution

The fourth proportional to 121,360,478.40, 182,040,717.60 and 48,612,110.40 is: 72,918,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,360,478.40 : 182,040,717.60 = 48,612,110.40 : x
  2. Step 2: Convert to fraction form
    121,360,478.40/182,040,717.60 = 48,612,110.40/x
  3. Step 3: Cross multiply
    121,360,478.40x = 182,040,717.60 × 48,612,110.40
  4. Step 4: Simplify right side
    121,360,478.40x = 8,849,383,461,266,422
  5. Step 5: Solve for x
    x = 8,849,383,461,266,422/121,360,478.40
  6. Step 6: Final answer
    x = 72,918,165.60

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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.