Home / 90,217,824.03-135,383,663.25-38,402,344.35

Finding the Fourth Proportional to 90,217,824.03, 135,383,663.25 and 38,402,344.35

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Solution

The fourth proportional to 90,217,824.03, 135,383,663.25 and 38,402,344.35 is: 57,627,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,217,824.03 : 135,383,663.25 = 38,402,344.35 : x
  2. Step 2: Convert to fraction form
    90,217,824.03/135,383,663.25 = 38,402,344.35/x
  3. Step 3: Cross multiply
    90,217,824.03x = 135,383,663.25 × 38,402,344.35
  4. Step 4: Simplify right side
    90,217,824.03x = 5,199,050,055,490,940
  5. Step 5: Solve for x
    x = 5,199,050,055,490,940/90,217,824.03
  6. Step 6: Final answer
    x = 57,627,748.30

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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.