Home / 115,911,815.40-173,867,723.10-83,789,159.40

Finding the Fourth Proportional to 115,911,815.40, 173,867,723.10 and 83,789,159.40

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Solution

The fourth proportional to 115,911,815.40, 173,867,723.10 and 83,789,159.40 is: 125,683,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,911,815.40 : 173,867,723.10 = 83,789,159.40 : x
  2. Step 2: Convert to fraction form
    115,911,815.40/173,867,723.10 = 83,789,159.40/x
  3. Step 3: Cross multiply
    115,911,815.40x = 173,867,723.10 × 83,789,159.40
  4. Step 4: Simplify right side
    115,911,815.40x = 14,568,230,365,340,962
  5. Step 5: Solve for x
    x = 14,568,230,365,340,962/115,911,815.40
  6. Step 6: Final answer
    x = 125,683,739.10

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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.