Home / 115,941,743.13-159,998,662.39-63,730,223.67

Finding the Fourth Proportional to 115,941,743.13, 159,998,662.39 and 63,730,223.67

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Solution

The fourth proportional to 115,941,743.13, 159,998,662.39 and 63,730,223.67 is: 87,947,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,941,743.13 : 159,998,662.39 = 63,730,223.67 : x
  2. Step 2: Convert to fraction form
    115,941,743.13/159,998,662.39 = 63,730,223.67/x
  3. Step 3: Cross multiply
    115,941,743.13x = 159,998,662.39 × 63,730,223.67
  4. Step 4: Simplify right side
    115,941,743.13x = 10,196,750,541,015,516
  5. Step 5: Solve for x
    x = 10,196,750,541,015,516/115,941,743.13
  6. Step 6: Final answer
    x = 87,947,190.25

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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.