Home / 131,482,265.76-181,450,867.74-72,743,974.23

Finding the Fourth Proportional to 131,482,265.76, 181,450,867.74 and 72,743,974.23

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Solution

The fourth proportional to 131,482,265.76, 181,450,867.74 and 72,743,974.23 is: 100,389,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,482,265.76 : 181,450,867.74 = 72,743,974.23 : x
  2. Step 2: Convert to fraction form
    131,482,265.76/181,450,867.74 = 72,743,974.23/x
  3. Step 3: Cross multiply
    131,482,265.76x = 181,450,867.74 × 72,743,974.23
  4. Step 4: Simplify right side
    131,482,265.76x = 13,199,457,246,889,700
  5. Step 5: Solve for x
    x = 13,199,457,246,889,700/131,482,265.76
  6. Step 6: Final answer
    x = 100,389,639.40

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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.