Home / 90,719,352.20-136,078,638.69-25,140,301.59

Finding the Fourth Proportional to 90,719,352.20, 136,078,638.69 and 25,140,301.59

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Solution

The fourth proportional to 90,719,352.20, 136,078,638.69 and 25,140,301.59 is: 37,710,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,719,352.20 : 136,078,638.69 = 25,140,301.59 : x
  2. Step 2: Convert to fraction form
    90,719,352.20/136,078,638.69 = 25,140,301.59/x
  3. Step 3: Cross multiply
    90,719,352.20x = 136,078,638.69 × 25,140,301.59
  4. Step 4: Simplify right side
    90,719,352.20x = 3,421,058,017,227,813.50
  5. Step 5: Solve for x
    x = 3,421,058,017,227,813.50/90,719,352.20
  6. Step 6: Final answer
    x = 37,710,344.42

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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.