Home / 129,344,991.60-194,044,444.20-43,110,188.40

Finding the Fourth Proportional to 129,344,991.60, 194,044,444.20 and 43,110,188.40

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Solution

The fourth proportional to 129,344,991.60, 194,044,444.20 and 43,110,188.40 is: 64,674,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,344,991.60 : 194,044,444.20 = 43,110,188.40 : x
  2. Step 2: Convert to fraction form
    129,344,991.60/194,044,444.20 = 43,110,188.40/x
  3. Step 3: Cross multiply
    129,344,991.60x = 194,044,444.20 × 43,110,188.40
  4. Step 4: Simplify right side
    129,344,991.60x = 8,365,292,547,435,286
  5. Step 5: Solve for x
    x = 8,365,292,547,435,286/129,344,991.60
  6. Step 6: Final answer
    x = 64,674,267.20

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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.