Home / 131,693,544.95-181,748,252.29-72,974,628.86

Finding the Fourth Proportional to 131,693,544.95, 181,748,252.29 and 72,974,628.86

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Solution

The fourth proportional to 131,693,544.95, 181,748,252.29 and 72,974,628.86 is: 100,711,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,693,544.95 : 181,748,252.29 = 72,974,628.86 : x
  2. Step 2: Convert to fraction form
    131,693,544.95/181,748,252.29 = 72,974,628.86/x
  3. Step 3: Cross multiply
    131,693,544.95x = 181,748,252.29 × 72,974,628.86
  4. Step 4: Simplify right side
    131,693,544.95x = 13,263,011,255,542,782
  5. Step 5: Solve for x
    x = 13,263,011,255,542,782/131,693,544.95
  6. Step 6: Final answer
    x = 100,711,171.99

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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.