Home / 155,133,330.30-232,699,995.45-90,510,104.70

Finding the Fourth Proportional to 155,133,330.30, 232,699,995.45 and 90,510,104.70

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Solution

The fourth proportional to 155,133,330.30, 232,699,995.45 and 90,510,104.70 is: 135,765,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,133,330.30 : 232,699,995.45 = 90,510,104.70 : x
  2. Step 2: Convert to fraction form
    155,133,330.30/232,699,995.45 = 90,510,104.70/x
  3. Step 3: Cross multiply
    155,133,330.30x = 232,699,995.45 × 90,510,104.70
  4. Step 4: Simplify right side
    155,133,330.30x = 21,061,700,951,869,024
  5. Step 5: Solve for x
    x = 21,061,700,951,869,024/155,133,330.30
  6. Step 6: Final answer
    x = 135,765,157.05

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1.5x scale

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.