Home / 189,552,015.45-284,328,023.18-155,114,638.65

Finding the Fourth Proportional to 189,552,015.45, 284,328,023.18 and 155,114,638.65

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Solution

The fourth proportional to 189,552,015.45, 284,328,023.18 and 155,114,638.65 is: 232,671,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552,015.45 : 284,328,023.18 = 155,114,638.65 : x
  2. Step 2: Convert to fraction form
    189,552,015.45/284,328,023.18 = 155,114,638.65/x
  3. Step 3: Cross multiply
    189,552,015.45x = 284,328,023.18 × 155,114,638.65
  4. Step 4: Simplify right side
    189,552,015.45x = 44,103,438,573,634,528
  5. Step 5: Solve for x
    x = 44,103,438,573,634,528/189,552,015.45
  6. Step 6: Final answer
    x = 232,671,957.98

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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.