Home / 103,432,206.80-155,148,310.20-45,863,368.40

Finding the Fourth Proportional to 103,432,206.80, 155,148,310.20 and 45,863,368.40

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Solution

The fourth proportional to 103,432,206.80, 155,148,310.20 and 45,863,368.40 is: 68,795,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,432,206.80 : 155,148,310.20 = 45,863,368.40 : x
  2. Step 2: Convert to fraction form
    103,432,206.80/155,148,310.20 = 45,863,368.40/x
  3. Step 3: Cross multiply
    103,432,206.80x = 155,148,310.20 × 45,863,368.40
  4. Step 4: Simplify right side
    103,432,206.80x = 7,115,624,107,340,077
  5. Step 5: Solve for x
    x = 7,115,624,107,340,077/103,432,206.80
  6. Step 6: Final answer
    x = 68,795,052.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.