Home / 280,040,349.33-386,461,868.37-154,592,248.11

Finding the Fourth Proportional to 280,040,349.33, 386,461,868.37 and 154,592,248.11

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Solution

The fourth proportional to 280,040,349.33, 386,461,868.37 and 154,592,248.11 is: 213,340,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,040,349.33 : 386,461,868.37 = 154,592,248.11 : x
  2. Step 2: Convert to fraction form
    280,040,349.33/386,461,868.37 = 154,592,248.11/x
  3. Step 3: Cross multiply
    280,040,349.33x = 386,461,868.37 × 154,592,248.11
  4. Step 4: Simplify right side
    280,040,349.33x = 59,744,009,040,109,208
  5. Step 5: Solve for x
    x = 59,744,009,040,109,208/280,040,349.33
  6. Step 6: Final answer
    x = 213,340,717.45

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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.