Home / 145,522,116.80-218,313,501.60-48,507,963.20

Finding the Fourth Proportional to 145,522,116.80, 218,313,501.60 and 48,507,963.20

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Solution

The fourth proportional to 145,522,116.80, 218,313,501.60 and 48,507,963.20 is: 72,772,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,522,116.80 : 218,313,501.60 = 48,507,963.20 : x
  2. Step 2: Convert to fraction form
    145,522,116.80/218,313,501.60 = 48,507,963.20/x
  3. Step 3: Cross multiply
    145,522,116.80x = 218,313,501.60 × 48,507,963.20
  4. Step 4: Simplify right side
    145,522,116.80x = 10,589,943,301,675,942
  5. Step 5: Solve for x
    x = 10,589,943,301,675,942/145,522,116.80
  6. Step 6: Final answer
    x = 72,772,053.72

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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.