Home / 78,482,701.62-108,316,441.49-45,005,281.65

Finding the Fourth Proportional to 78,482,701.62, 108,316,441.49 and 45,005,281.65

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Solution

The fourth proportional to 78,482,701.62, 108,316,441.49 and 45,005,281.65 is: 62,113,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,482,701.62 : 108,316,441.49 = 45,005,281.65 : x
  2. Step 2: Convert to fraction form
    78,482,701.62/108,316,441.49 = 45,005,281.65/x
  3. Step 3: Cross multiply
    78,482,701.62x = 108,316,441.49 × 45,005,281.65
  4. Step 4: Simplify right side
    78,482,701.62x = 4,874,811,956,583,195
  5. Step 5: Solve for x
    x = 4,874,811,956,583,195/78,482,701.62
  6. Step 6: Final answer
    x = 62,113,202.73

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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.