Home / 189,552,008.95-284,328,013.43-155,114,632.15

Finding the Fourth Proportional to 189,552,008.95, 284,328,013.43 and 155,114,632.15

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Solution

The fourth proportional to 189,552,008.95, 284,328,013.43 and 155,114,632.15 is: 232,671,948.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552,008.95 : 284,328,013.43 = 155,114,632.15 : x
  2. Step 2: Convert to fraction form
    189,552,008.95/284,328,013.43 = 155,114,632.15/x
  3. Step 3: Cross multiply
    189,552,008.95x = 284,328,013.43 × 155,114,632.15
  4. Step 4: Simplify right side
    189,552,008.95x = 44,103,435,213,134,712
  5. Step 5: Solve for x
    x = 44,103,435,213,134,712/189,552,008.95
  6. Step 6: Final answer
    x = 232,671,948.23

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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.