Home / 177,143,620.80-265,715,431.20-100,702,430.40

Finding the Fourth Proportional to 177,143,620.80, 265,715,431.20 and 100,702,430.40

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Solution

The fourth proportional to 177,143,620.80, 265,715,431.20 and 100,702,430.40 is: 151,053,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,143,620.80 : 265,715,431.20 = 100,702,430.40 : x
  2. Step 2: Convert to fraction form
    177,143,620.80/265,715,431.20 = 100,702,430.40/x
  3. Step 3: Cross multiply
    177,143,620.80x = 265,715,431.20 × 100,702,430.40
  4. Step 4: Simplify right side
    177,143,620.80x = 26,758,189,716,623,988
  5. Step 5: Solve for x
    x = 26,758,189,716,623,988/177,143,620.80
  6. Step 6: Final answer
    x = 151,053,645.60

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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.