Home / 65,389,301.76-90,223,430.40-37,885,555.20

Finding the Fourth Proportional to 65,389,301.76, 90,223,430.40 and 37,885,555.20

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Solution

The fourth proportional to 65,389,301.76, 90,223,430.40 and 37,885,555.20 is: 52,274,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,389,301.76 : 90,223,430.40 = 37,885,555.20 : x
  2. Step 2: Convert to fraction form
    65,389,301.76/90,223,430.40 = 37,885,555.20/x
  3. Step 3: Cross multiply
    65,389,301.76x = 90,223,430.40 × 37,885,555.20
  4. Step 4: Simplify right side
    65,389,301.76x = 3,418,164,752,752,558.50
  5. Step 5: Solve for x
    x = 3,418,164,752,752,558.50/65,389,301.76
  6. Step 6: Final answer
    x = 52,274,067.18

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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.