Home / 73,813,426.80-110,720,140.20-19,960,738.80

Finding the Fourth Proportional to 73,813,426.80, 110,720,140.20 and 19,960,738.80

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Solution

The fourth proportional to 73,813,426.80, 110,720,140.20 and 19,960,738.80 is: 29,941,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,813,426.80 : 110,720,140.20 = 19,960,738.80 : x
  2. Step 2: Convert to fraction form
    73,813,426.80/110,720,140.20 = 19,960,738.80/x
  3. Step 3: Cross multiply
    73,813,426.80x = 110,720,140.20 × 19,960,738.80
  4. Step 4: Simplify right side
    73,813,426.80x = 2,210,055,798,431,580
  5. Step 5: Solve for x
    x = 2,210,055,798,431,580/73,813,426.80
  6. Step 6: Final answer
    x = 29,941,108.20

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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.