Home / 215,832,707.80-323,749,061.70-193,157,891.80

Finding the Fourth Proportional to 215,832,707.80, 323,749,061.70 and 193,157,891.80

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Solution

The fourth proportional to 215,832,707.80, 323,749,061.70 and 193,157,891.80 is: 289,736,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,832,707.80 : 323,749,061.70 = 193,157,891.80 : x
  2. Step 2: Convert to fraction form
    215,832,707.80/323,749,061.70 = 193,157,891.80/x
  3. Step 3: Cross multiply
    215,832,707.80x = 323,749,061.70 × 193,157,891.80
  4. Step 4: Simplify right side
    215,832,707.80x = 62,534,686,230,200,128
  5. Step 5: Solve for x
    x = 62,534,686,230,200,128/215,832,707.80
  6. Step 6: Final answer
    x = 289,736,837.70

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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.