Home / 68,900,280.62-103,346,985.39-25,766,312.90

Finding the Fourth Proportional to 68,900,280.62, 103,346,985.39 and 25,766,312.90

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Solution

The fourth proportional to 68,900,280.62, 103,346,985.39 and 25,766,312.90 is: 38,648,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,900,280.62 : 103,346,985.39 = 25,766,312.90 : x
  2. Step 2: Convert to fraction form
    68,900,280.62/103,346,985.39 = 25,766,312.90/x
  3. Step 3: Cross multiply
    68,900,280.62x = 103,346,985.39 × 25,766,312.90
  4. Step 4: Simplify right side
    68,900,280.62x = 2,662,870,762,830,468.50
  5. Step 5: Solve for x
    x = 2,662,870,762,830,468.50/68,900,280.62
  6. Step 6: Final answer
    x = 38,648,184.58

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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.