Home / 154,202,780.40-212,797,851.70-88,122,521.94

Finding the Fourth Proportional to 154,202,780.40, 212,797,851.70 and 88,122,521.94

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Solution

The fourth proportional to 154,202,780.40, 212,797,851.70 and 88,122,521.94 is: 121,607,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,202,780.40 : 212,797,851.70 = 88,122,521.94 : x
  2. Step 2: Convert to fraction form
    154,202,780.40/212,797,851.70 = 88,122,521.94/x
  3. Step 3: Cross multiply
    154,202,780.40x = 212,797,851.70 × 88,122,521.94
  4. Step 4: Simplify right side
    154,202,780.40x = 18,752,283,355,218,116
  5. Step 5: Solve for x
    x = 18,752,283,355,218,116/154,202,780.40
  6. Step 6: Final answer
    x = 121,607,945.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.