Home / 87,898,379.06-121,291,023.29-50,740,630.22

Finding the Fourth Proportional to 87,898,379.06, 121,291,023.29 and 50,740,630.22

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Solution

The fourth proportional to 87,898,379.06, 121,291,023.29 and 50,740,630.22 is: 70,017,024.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,898,379.06 : 121,291,023.29 = 50,740,630.22 : x
  2. Step 2: Convert to fraction form
    87,898,379.06/121,291,023.29 = 50,740,630.22/x
  3. Step 3: Cross multiply
    87,898,379.06x = 121,291,023.29 × 50,740,630.22
  4. Step 4: Simplify right side
    87,898,379.06x = 6,154,382,960,903,140
  5. Step 5: Solve for x
    x = 6,154,382,960,903,140/87,898,379.06
  6. Step 6: Final answer
    x = 70,017,024.51

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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.