Home / 129,374,518.94-194,065,717.96-50,587,880.20

Finding the Fourth Proportional to 129,374,518.94, 194,065,717.96 and 50,587,880.20

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Solution

The fourth proportional to 129,374,518.94, 194,065,717.96 and 50,587,880.20 is: 75,883,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,374,518.94 : 194,065,717.96 = 50,587,880.20 : x
  2. Step 2: Convert to fraction form
    129,374,518.94/194,065,717.96 = 50,587,880.20/x
  3. Step 3: Cross multiply
    129,374,518.94x = 194,065,717.96 × 50,587,880.20
  4. Step 4: Simplify right side
    129,374,518.94x = 9,817,373,291,087,470
  5. Step 5: Solve for x
    x = 9,817,373,291,087,470/129,374,518.94
  6. Step 6: Final answer
    x = 75,883,360.74

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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.