Home / 155,133,333.80-232,700,000.70-90,510,108.20

Finding the Fourth Proportional to 155,133,333.80, 232,700,000.70 and 90,510,108.20

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Solution

The fourth proportional to 155,133,333.80, 232,700,000.70 and 90,510,108.20 is: 135,765,162.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,133,333.80 : 232,700,000.70 = 90,510,108.20 : x
  2. Step 2: Convert to fraction form
    155,133,333.80/232,700,000.70 = 90,510,108.20/x
  3. Step 3: Cross multiply
    155,133,333.80x = 232,700,000.70 × 90,510,108.20
  4. Step 4: Simplify right side
    155,133,333.80x = 21,061,702,241,497,076
  5. Step 5: Solve for x
    x = 21,061,702,241,497,076/155,133,333.80
  6. Step 6: Final answer
    x = 135,765,162.30

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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.