Home / 117,609,960.40-162,301,879.91-65,397,875.05

Finding the Fourth Proportional to 117,609,960.40, 162,301,879.91 and 65,397,875.05

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Solution

The fourth proportional to 117,609,960.40, 162,301,879.91 and 65,397,875.05 is: 90,249,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,609,960.40 : 162,301,879.91 = 65,397,875.05 : x
  2. Step 2: Convert to fraction form
    117,609,960.40/162,301,879.91 = 65,397,875.05/x
  3. Step 3: Cross multiply
    117,609,960.40x = 162,301,879.91 × 65,397,875.05
  4. Step 4: Simplify right side
    117,609,960.40x = 10,614,198,062,001,542
  5. Step 5: Solve for x
    x = 10,614,198,062,001,542/117,609,960.40
  6. Step 6: Final answer
    x = 90,249,142.39

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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.