Home / 189,552,012.20-284,328,018.30-155,114,635.40

Finding the Fourth Proportional to 189,552,012.20, 284,328,018.30 and 155,114,635.40

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Solution

The fourth proportional to 189,552,012.20, 284,328,018.30 and 155,114,635.40 is: 232,671,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552,012.20 : 284,328,018.30 = 155,114,635.40 : x
  2. Step 2: Convert to fraction form
    189,552,012.20/284,328,018.30 = 155,114,635.40/x
  3. Step 3: Cross multiply
    189,552,012.20x = 284,328,018.30 × 155,114,635.40
  4. Step 4: Simplify right side
    189,552,012.20x = 44,103,436,892,609,032
  5. Step 5: Solve for x
    x = 44,103,436,892,609,032/189,552,012.20
  6. Step 6: Final answer
    x = 232,671,953.10

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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.