Home / 189,552,008.45-284,328,012.68-155,114,631.65

Finding the Fourth Proportional to 189,552,008.45, 284,328,012.68 and 155,114,631.65

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Solution

The fourth proportional to 189,552,008.45, 284,328,012.68 and 155,114,631.65 is: 232,671,947.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552,008.45 : 284,328,012.68 = 155,114,631.65 : x
  2. Step 2: Convert to fraction form
    189,552,008.45/284,328,012.68 = 155,114,631.65/x
  3. Step 3: Cross multiply
    189,552,008.45x = 284,328,012.68 × 155,114,631.65
  4. Step 4: Simplify right side
    189,552,008.45x = 44,103,434,954,634,736
  5. Step 5: Solve for x
    x = 44,103,434,954,634,736/189,552,008.45
  6. Step 6: Final answer
    x = 232,671,947.48

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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.