Home / 68,688,004.20-103,032,006.30-48,532,612.20

Finding the Fourth Proportional to 68,688,004.20, 103,032,006.30 and 48,532,612.20

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Solution

The fourth proportional to 68,688,004.20, 103,032,006.30 and 48,532,612.20 is: 72,798,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,688,004.20 : 103,032,006.30 = 48,532,612.20 : x
  2. Step 2: Convert to fraction form
    68,688,004.20/103,032,006.30 = 48,532,612.20/x
  3. Step 3: Cross multiply
    68,688,004.20x = 103,032,006.30 × 48,532,612.20
  4. Step 4: Simplify right side
    68,688,004.20x = 5,000,412,405,945,857
  5. Step 5: Solve for x
    x = 5,000,412,405,945,857/68,688,004.20
  6. Step 6: Final answer
    x = 72,798,918.30

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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.