Home / 100,791,021.70-151,214,526.15-43,310,829.70

Finding the Fourth Proportional to 100,791,021.70, 151,214,526.15 and 43,310,829.70

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Solution

The fourth proportional to 100,791,021.70, 151,214,526.15 and 43,310,829.70 is: 64,978,273.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,791,021.70 : 151,214,526.15 = 43,310,829.70 : x
  2. Step 2: Convert to fraction form
    100,791,021.70/151,214,526.15 = 43,310,829.70/x
  3. Step 3: Cross multiply
    100,791,021.70x = 151,214,526.15 × 43,310,829.70
  4. Step 4: Simplify right side
    100,791,021.70x = 6,549,226,590,248,847
  5. Step 5: Solve for x
    x = 6,549,226,590,248,847/100,791,021.70
  6. Step 6: Final answer
    x = 64,978,273.66

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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.