Home / 48,385,672.30-72,686,642.85-40,423,048.30

Finding the Fourth Proportional to 48,385,672.30, 72,686,642.85 and 40,423,048.30

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Solution

The fourth proportional to 48,385,672.30, 72,686,642.85 and 40,423,048.30 is: 60,724,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385,672.30 : 72,686,642.85 = 40,423,048.30 : x
  2. Step 2: Convert to fraction form
    48,385,672.30/72,686,642.85 = 40,423,048.30/x
  3. Step 3: Cross multiply
    48,385,672.30x = 72,686,642.85 × 40,423,048.30
  4. Step 4: Simplify right side
    48,385,672.30x = 2,938,215,674,690,399
  5. Step 5: Solve for x
    x = 2,938,215,674,690,399/48,385,672.30
  6. Step 6: Final answer
    x = 60,724,911.63

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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.