Home / 68,896,148.40-103,344,222.60-30,632,396.40

Finding the Fourth Proportional to 68,896,148.40, 103,344,222.60 and 30,632,396.40

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Solution

The fourth proportional to 68,896,148.40, 103,344,222.60 and 30,632,396.40 is: 45,948,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,896,148.40 : 103,344,222.60 = 30,632,396.40 : x
  2. Step 2: Convert to fraction form
    68,896,148.40/103,344,222.60 = 30,632,396.40/x
  3. Step 3: Cross multiply
    68,896,148.40x = 103,344,222.60 × 30,632,396.40
  4. Step 4: Simplify right side
    68,896,148.40x = 3,165,681,192,333,038.50
  5. Step 5: Solve for x
    x = 3,165,681,192,333,038.50/68,896,148.40
  6. Step 6: Final answer
    x = 45,948,594.60

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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.