Home / 281,667,281.40-421,934,051.70-195,502,980.60

Finding the Fourth Proportional to 281,667,281.40, 421,934,051.70 and 195,502,980.60

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Solution

The fourth proportional to 281,667,281.40, 421,934,051.70 and 195,502,980.60 is: 292,861,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,667,281.40 : 421,934,051.70 = 195,502,980.60 : x
  2. Step 2: Convert to fraction form
    281,667,281.40/421,934,051.70 = 195,502,980.60/x
  3. Step 3: Cross multiply
    281,667,281.40x = 421,934,051.70 × 195,502,980.60
  4. Step 4: Simplify right side
    281,667,281.40x = 82,489,364,723,984,496
  5. Step 5: Solve for x
    x = 82,489,364,723,984,496/281,667,281.40
  6. Step 6: Final answer
    x = 292,861,010.74

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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.