Home / 66,315,036.40-91,512,604.90-38,062,060.18

Finding the Fourth Proportional to 66,315,036.40, 91,512,604.90 and 38,062,060.18

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Solution

The fourth proportional to 66,315,036.40, 91,512,604.90 and 38,062,060.18 is: 52,524,411.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,315,036.40 : 91,512,604.90 = 38,062,060.18 : x
  2. Step 2: Convert to fraction form
    66,315,036.40/91,512,604.90 = 38,062,060.18/x
  3. Step 3: Cross multiply
    66,315,036.40x = 91,512,604.90 × 38,062,060.18
  4. Step 4: Simplify right side
    66,315,036.40x = 3,483,158,274,537,060
  5. Step 5: Solve for x
    x = 3,483,158,274,537,060/66,315,036.40
  6. Step 6: Final answer
    x = 52,524,411.71

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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.