Home / 60,480,013.80-90,720,020.70-20,090,497.80

Finding the Fourth Proportional to 60,480,013.80, 90,720,020.70 and 20,090,497.80

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Solution

The fourth proportional to 60,480,013.80, 90,720,020.70 and 20,090,497.80 is: 30,135,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,480,013.80 : 90,720,020.70 = 20,090,497.80 : x
  2. Step 2: Convert to fraction form
    60,480,013.80/90,720,020.70 = 20,090,497.80/x
  3. Step 3: Cross multiply
    60,480,013.80x = 90,720,020.70 × 20,090,497.80
  4. Step 4: Simplify right side
    60,480,013.80x = 1,822,610,376,289,304.50
  5. Step 5: Solve for x
    x = 1,822,610,376,289,304.50/60,480,013.80
  6. Step 6: Final answer
    x = 30,135,746.70

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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.