Home / 73,222,820.46-109,187,298.76-72,565,605.08

Finding the Fourth Proportional to 73,222,820.46, 109,187,298.76 and 72,565,605.08

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Solution

The fourth proportional to 73,222,820.46, 109,187,298.76 and 72,565,605.08 is: 108,207,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,222,820.46 : 109,187,298.76 = 72,565,605.08 : x
  2. Step 2: Convert to fraction form
    73,222,820.46/109,187,298.76 = 72,565,605.08/x
  3. Step 3: Cross multiply
    73,222,820.46x = 109,187,298.76 × 72,565,605.08
  4. Step 4: Simplify right side
    73,222,820.46x = 7,923,242,401,570,134
  5. Step 5: Solve for x
    x = 7,923,242,401,570,134/73,222,820.46
  6. Step 6: Final answer
    x = 108,207,282.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.