Home / 315,932,418.23-435,984,358.01-176,703,186.83

Finding the Fourth Proportional to 315,932,418.23, 435,984,358.01 and 176,703,186.83

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Solution

The fourth proportional to 315,932,418.23, 435,984,358.01 and 176,703,186.83 is: 243,849,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,932,418.23 : 435,984,358.01 = 176,703,186.83 : x
  2. Step 2: Convert to fraction form
    315,932,418.23/435,984,358.01 = 176,703,186.83/x
  3. Step 3: Cross multiply
    315,932,418.23x = 435,984,358.01 × 176,703,186.83
  4. Step 4: Simplify right side
    315,932,418.23x = 77,039,825,465,335,200
  5. Step 5: Solve for x
    x = 77,039,825,465,335,200/315,932,418.23
  6. Step 6: Final answer
    x = 243,849,067.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.