Home / 163,314,013.20-244,971,019.80-42,145,465.20

Finding the Fourth Proportional to 163,314,013.20, 244,971,019.80 and 42,145,465.20

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Solution

The fourth proportional to 163,314,013.20, 244,971,019.80 and 42,145,465.20 is: 63,218,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,314,013.20 : 244,971,019.80 = 42,145,465.20 : x
  2. Step 2: Convert to fraction form
    163,314,013.20/244,971,019.80 = 42,145,465.20/x
  3. Step 3: Cross multiply
    163,314,013.20x = 244,971,019.80 × 42,145,465.20
  4. Step 4: Simplify right side
    163,314,013.20x = 10,324,417,589,989,412
  5. Step 5: Solve for x
    x = 10,324,417,589,989,412/163,314,013.20
  6. Step 6: Final answer
    x = 63,218,197.80

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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.