Home / 65,182,648.03-89,929,806.81-40,393,790.17

Finding the Fourth Proportional to 65,182,648.03, 89,929,806.81 and 40,393,790.17

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Solution

The fourth proportional to 65,182,648.03, 89,929,806.81 and 40,393,790.17 is: 55,729,643.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,182,648.03 : 89,929,806.81 = 40,393,790.17 : x
  2. Step 2: Convert to fraction form
    65,182,648.03/89,929,806.81 = 40,393,790.17/x
  3. Step 3: Cross multiply
    65,182,648.03x = 89,929,806.81 × 40,393,790.17
  4. Step 4: Simplify right side
    65,182,648.03x = 3,632,605,745,935,476
  5. Step 5: Solve for x
    x = 3,632,605,745,935,476/65,182,648.03
  6. Step 6: Final answer
    x = 55,729,643.64

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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.