Home / 125,411,443.20-188,258,882.40-74,322,248.40

Finding the Fourth Proportional to 125,411,443.20, 188,258,882.40 and 74,322,248.40

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Solution

The fourth proportional to 125,411,443.20, 188,258,882.40 and 74,322,248.40 is: 111,567,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,411,443.20 : 188,258,882.40 = 74,322,248.40 : x
  2. Step 2: Convert to fraction form
    125,411,443.20/188,258,882.40 = 74,322,248.40/x
  3. Step 3: Cross multiply
    125,411,443.20x = 188,258,882.40 × 74,322,248.40
  4. Step 4: Simplify right side
    125,411,443.20x = 13,991,823,421,239,190
  5. Step 5: Solve for x
    x = 13,991,823,421,239,190/125,411,443.20
  6. Step 6: Final answer
    x = 111,567,358.32

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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.