Home / 107,384,199.78-148,186,024.64-65,638,162.40

Finding the Fourth Proportional to 107,384,199.78, 148,186,024.64 and 65,638,162.40

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Solution

The fourth proportional to 107,384,199.78, 148,186,024.64 and 65,638,162.40 is: 90,578,114.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,384,199.78 : 148,186,024.64 = 65,638,162.40 : x
  2. Step 2: Convert to fraction form
    107,384,199.78/148,186,024.64 = 65,638,162.40/x
  3. Step 3: Cross multiply
    107,384,199.78x = 148,186,024.64 × 65,638,162.40
  4. Step 4: Simplify right side
    107,384,199.78x = 9,726,658,350,730,720
  5. Step 5: Solve for x
    x = 9,726,658,350,730,720/107,384,199.78
  6. Step 6: Final answer
    x = 90,578,114.57

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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.