Home / 149,315,998.80-223,973,998.20-123,806,830.80

Finding the Fourth Proportional to 149,315,998.80, 223,973,998.20 and 123,806,830.80

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Solution

The fourth proportional to 149,315,998.80, 223,973,998.20 and 123,806,830.80 is: 185,710,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,315,998.80 : 223,973,998.20 = 123,806,830.80 : x
  2. Step 2: Convert to fraction form
    149,315,998.80/223,973,998.20 = 123,806,830.80/x
  3. Step 3: Cross multiply
    149,315,998.80x = 223,973,998.20 × 123,806,830.80
  4. Step 4: Simplify right side
    149,315,998.80x = 27,729,510,898,746,904
  5. Step 5: Solve for x
    x = 27,729,510,898,746,904/149,315,998.80
  6. Step 6: Final answer
    x = 185,710,246.20

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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.