Home / 189,403,246.80-284,104,870.20-124,780,021.20

Finding the Fourth Proportional to 189,403,246.80, 284,104,870.20 and 124,780,021.20

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Solution

The fourth proportional to 189,403,246.80, 284,104,870.20 and 124,780,021.20 is: 187,170,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,403,246.80 : 284,104,870.20 = 124,780,021.20 : x
  2. Step 2: Convert to fraction form
    189,403,246.80/284,104,870.20 = 124,780,021.20/x
  3. Step 3: Cross multiply
    189,403,246.80x = 284,104,870.20 × 124,780,021.20
  4. Step 4: Simplify right side
    189,403,246.80x = 35,450,611,726,579,248
  5. Step 5: Solve for x
    x = 35,450,611,726,579,248/189,403,246.80
  6. Step 6: Final answer
    x = 187,170,031.80

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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.