Home / 153,846,419.84-212,299,648.32-84,218,330.88

Finding the Fourth Proportional to 153,846,419.84, 212,299,648.32 and 84,218,330.88

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Solution

The fourth proportional to 153,846,419.84, 212,299,648.32 and 84,218,330.88 is: 116,216,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,846,419.84 : 212,299,648.32 = 84,218,330.88 : x
  2. Step 2: Convert to fraction form
    153,846,419.84/212,299,648.32 = 84,218,330.88/x
  3. Step 3: Cross multiply
    153,846,419.84x = 212,299,648.32 × 84,218,330.88
  4. Step 4: Simplify right side
    153,846,419.84x = 17,879,522,027,921,394
  5. Step 5: Solve for x
    x = 17,879,522,027,921,394/153,846,419.84
  6. Step 6: Final answer
    x = 116,216,692.25

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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.