Home / 66,315,037.40-91,512,606.28-38,062,061.18

Finding the Fourth Proportional to 66,315,037.40, 91,512,606.28 and 38,062,061.18

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Solution

The fourth proportional to 66,315,037.40, 91,512,606.28 and 38,062,061.18 is: 52,524,413.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,315,037.40 : 91,512,606.28 = 38,062,061.18 : x
  2. Step 2: Convert to fraction form
    66,315,037.40/91,512,606.28 = 38,062,061.18/x
  3. Step 3: Cross multiply
    66,315,037.40x = 91,512,606.28 × 38,062,061.18
  4. Step 4: Simplify right side
    66,315,037.40x = 3,483,158,418,970,612
  5. Step 5: Solve for x
    x = 3,483,158,418,970,612/66,315,037.40
  6. Step 6: Final answer
    x = 52,524,413.10

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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.