Home / 189,552,009.45-284,328,014.18-155,114,632.65

Finding the Fourth Proportional to 189,552,009.45, 284,328,014.18 and 155,114,632.65

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Solution

The fourth proportional to 189,552,009.45, 284,328,014.18 and 155,114,632.65 is: 232,671,948.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552,009.45 : 284,328,014.18 = 155,114,632.65 : x
  2. Step 2: Convert to fraction form
    189,552,009.45/284,328,014.18 = 155,114,632.65/x
  3. Step 3: Cross multiply
    189,552,009.45x = 284,328,014.18 × 155,114,632.65
  4. Step 4: Simplify right side
    189,552,009.45x = 44,103,435,471,634,696
  5. Step 5: Solve for x
    x = 44,103,435,471,634,696/189,552,009.45
  6. Step 6: Final answer
    x = 232,671,948.98

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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.