Home / 99,077,972.39-136,727,921.38-55,024,971.22

Finding the Fourth Proportional to 99,077,972.39, 136,727,921.38 and 55,024,971.22

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Solution

The fourth proportional to 99,077,972.39, 136,727,921.38 and 55,024,971.22 is: 75,934,637.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,077,972.39 : 136,727,921.38 = 55,024,971.22 : x
  2. Step 2: Convert to fraction form
    99,077,972.39/136,727,921.38 = 55,024,971.22/x
  3. Step 3: Cross multiply
    99,077,972.39x = 136,727,921.38 × 55,024,971.22
  4. Step 4: Simplify right side
    99,077,972.39x = 7,523,449,939,426,605
  5. Step 5: Solve for x
    x = 7,523,449,939,426,605/99,077,972.39
  6. Step 6: Final answer
    x = 75,934,637.72

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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.