Home / 45,402,280.70-68,103,421.05-30,206,939.90

Finding the Fourth Proportional to 45,402,280.70, 68,103,421.05 and 30,206,939.90

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Solution

The fourth proportional to 45,402,280.70, 68,103,421.05 and 30,206,939.90 is: 45,310,409.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,402,280.70 : 68,103,421.05 = 30,206,939.90 : x
  2. Step 2: Convert to fraction form
    45,402,280.70/68,103,421.05 = 30,206,939.90/x
  3. Step 3: Cross multiply
    45,402,280.70x = 68,103,421.05 × 30,206,939.90
  4. Step 4: Simplify right side
    45,402,280.70x = 2,057,195,946,641,744.75
  5. Step 5: Solve for x
    x = 2,057,195,946,641,744.75/45,402,280.70
  6. Step 6: Final answer
    x = 45,310,409.85

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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.