Home / 140,520,864.32-193,914,620.16-77,799,752

Finding the Fourth Proportional to 140,520,864.32, 193,914,620.16 and 77,799,752

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Solution

The fourth proportional to 140,520,864.32, 193,914,620.16 and 77,799,752 is: 107,361,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,520,864.32 : 193,914,620.16 = 77,799,752 : x
  2. Step 2: Convert to fraction form
    140,520,864.32/193,914,620.16 = 77,799,752/x
  3. Step 3: Cross multiply
    140,520,864.32x = 193,914,620.16 × 77,799,752
  4. Step 4: Simplify right side
    140,520,864.32x = 15,086,509,357,622,200
  5. Step 5: Solve for x
    x = 15,086,509,357,622,200/140,520,864.32
  6. Step 6: Final answer
    x = 107,361,347.59

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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.