Home / 81,482,103.28-112,447,430.04-44,813,636.56

Finding the Fourth Proportional to 81,482,103.28, 112,447,430.04 and 44,813,636.56

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Solution

The fourth proportional to 81,482,103.28, 112,447,430.04 and 44,813,636.56 is: 61,843,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,482,103.28 : 112,447,430.04 = 44,813,636.56 : x
  2. Step 2: Convert to fraction form
    81,482,103.28/112,447,430.04 = 44,813,636.56/x
  3. Step 3: Cross multiply
    81,482,103.28x = 112,447,430.04 × 44,813,636.56
  4. Step 4: Simplify right side
    81,482,103.28x = 5,039,178,261,918,587
  5. Step 5: Solve for x
    x = 5,039,178,261,918,587/81,482,103.28
  6. Step 6: Final answer
    x = 61,843,988.55

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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.