Home / 66,960,048.10-100,440,072.15-28,625,437.30

Finding the Fourth Proportional to 66,960,048.10, 100,440,072.15 and 28,625,437.30

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Solution

The fourth proportional to 66,960,048.10, 100,440,072.15 and 28,625,437.30 is: 42,938,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,960,048.10 : 100,440,072.15 = 28,625,437.30 : x
  2. Step 2: Convert to fraction form
    66,960,048.10/100,440,072.15 = 28,625,437.30/x
  3. Step 3: Cross multiply
    66,960,048.10x = 100,440,072.15 × 28,625,437.30
  4. Step 4: Simplify right side
    66,960,048.10x = 2,875,140,987,737,301.50
  5. Step 5: Solve for x
    x = 2,875,140,987,737,301.50/66,960,048.10
  6. Step 6: Final answer
    x = 42,938,155.95

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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.