Home / 199,769,909.76-299,678,876.28-70,350,773.04

Finding the Fourth Proportional to 199,769,909.76, 299,678,876.28 and 70,350,773.04

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Solution

The fourth proportional to 199,769,909.76, 299,678,876.28 and 70,350,773.04 is: 105,534,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,769,909.76 : 299,678,876.28 = 70,350,773.04 : x
  2. Step 2: Convert to fraction form
    199,769,909.76/299,678,876.28 = 70,350,773.04/x
  3. Step 3: Cross multiply
    199,769,909.76x = 299,678,876.28 × 70,350,773.04
  4. Step 4: Simplify right side
    199,769,909.76x = 21,082,640,610,056,520
  5. Step 5: Solve for x
    x = 21,082,640,610,056,520/199,769,909.76
  6. Step 6: Final answer
    x = 105,534,615.48

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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.