Home / 102,154,568.22-140,976,302.76-55,747,816.98

Finding the Fourth Proportional to 102,154,568.22, 140,976,302.76 and 55,747,816.98

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Solution

The fourth proportional to 102,154,568.22, 140,976,302.76 and 55,747,816.98 is: 76,933,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,154,568.22 : 140,976,302.76 = 55,747,816.98 : x
  2. Step 2: Convert to fraction form
    102,154,568.22/140,976,302.76 = 55,747,816.98/x
  3. Step 3: Cross multiply
    102,154,568.22x = 140,976,302.76 × 55,747,816.98
  4. Step 4: Simplify right side
    102,154,568.22x = 7,859,121,124,781,548
  5. Step 5: Solve for x
    x = 7,859,121,124,781,548/102,154,568.22
  6. Step 6: Final answer
    x = 76,933,623.84

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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.