Home / 91,087,331,709.21-125,704,469,061.50-50,442,243,185.72

Finding the Fourth Proportional to 91,087,331,709.21, 125,704,469,061.50 and 50,442,243,185.72

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Solution

The fourth proportional to 91,087,331,709.21, 125,704,469,061.50 and 50,442,243,185.72 is: 69,612,483,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,087,331,709.21 : 125,704,469,061.50 = 50,442,243,185.72 : x
  2. Step 2: Convert to fraction form
    91,087,331,709.21/125,704,469,061.50 = 50,442,243,185.72/x
  3. Step 3: Cross multiply
    91,087,331,709.21x = 125,704,469,061.50 × 50,442,243,185.72
  4. Step 4: Simplify right side
    91,087,331,709.21x = 6,340,815,397,931,872,944,128
  5. Step 5: Solve for x
    x = 6,340,815,397,931,872,944,128/91,087,331,709.21
  6. Step 6: Final answer
    x = 69,612,483,744.44

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1.5x scale

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.