Home / 115,774,328.80-173,661,493.20-58,378,700.80

Finding the Fourth Proportional to 115,774,328.80, 173,661,493.20 and 58,378,700.80

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Solution

The fourth proportional to 115,774,328.80, 173,661,493.20 and 58,378,700.80 is: 87,568,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,774,328.80 : 173,661,493.20 = 58,378,700.80 : x
  2. Step 2: Convert to fraction form
    115,774,328.80/173,661,493.20 = 58,378,700.80/x
  3. Step 3: Cross multiply
    115,774,328.80x = 173,661,493.20 × 58,378,700.80
  4. Step 4: Simplify right side
    115,774,328.80x = 10,138,132,352,004,034
  5. Step 5: Solve for x
    x = 10,138,132,352,004,034/115,774,328.80
  6. Step 6: Final answer
    x = 87,568,051.20

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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.