Home / 65,655,324.44-90,615,598.53-38,169,195.92

Finding the Fourth Proportional to 65,655,324.44, 90,615,598.53 and 38,169,195.92

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Solution

The fourth proportional to 65,655,324.44, 90,615,598.53 and 38,169,195.92 is: 52,680,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,655,324.44 : 90,615,598.53 = 38,169,195.92 : x
  2. Step 2: Convert to fraction form
    65,655,324.44/90,615,598.53 = 38,169,195.92/x
  3. Step 3: Cross multiply
    65,655,324.44x = 90,615,598.53 × 38,169,195.92
  4. Step 4: Simplify right side
    65,655,324.44x = 3,458,724,533,699,634
  5. Step 5: Solve for x
    x = 3,458,724,533,699,634/65,655,324.44
  6. Step 6: Final answer
    x = 52,680,031.10

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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.