Home / 48,389,387.80-72,584,081.70-45,403,403.80

Finding the Fourth Proportional to 48,389,387.80, 72,584,081.70 and 45,403,403.80

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Solution

The fourth proportional to 48,389,387.80, 72,584,081.70 and 45,403,403.80 is: 68,105,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,389,387.80 : 72,584,081.70 = 45,403,403.80 : x
  2. Step 2: Convert to fraction form
    48,389,387.80/72,584,081.70 = 45,403,403.80/x
  3. Step 3: Cross multiply
    48,389,387.80x = 72,584,081.70 × 45,403,403.80
  4. Step 4: Simplify right side
    48,389,387.80x = 3,295,564,370,877,290.50
  5. Step 5: Solve for x
    x = 3,295,564,370,877,290.50/48,389,387.80
  6. Step 6: Final answer
    x = 68,105,105.70

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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.