Home / 126,113,800.80-189,170,701.20-57,956,492.55

Finding the Fourth Proportional to 126,113,800.80, 189,170,701.20 and 57,956,492.55

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Solution

The fourth proportional to 126,113,800.80, 189,170,701.20 and 57,956,492.55 is: 86,934,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,113,800.80 : 189,170,701.20 = 57,956,492.55 : x
  2. Step 2: Convert to fraction form
    126,113,800.80/189,170,701.20 = 57,956,492.55/x
  3. Step 3: Cross multiply
    126,113,800.80x = 189,170,701.20 × 57,956,492.55
  4. Step 4: Simplify right side
    126,113,800.80x = 10,963,670,334,776,074
  5. Step 5: Solve for x
    x = 10,963,670,334,776,074/126,113,800.80
  6. Step 6: Final answer
    x = 86,934,738.83

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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.