Home / 115,062,845.12-158,786,720.16-62,139,548.32

Finding the Fourth Proportional to 115,062,845.12, 158,786,720.16 and 62,139,548.32

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Solution

The fourth proportional to 115,062,845.12, 158,786,720.16 and 62,139,548.32 is: 85,752,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,062,845.12 : 158,786,720.16 = 62,139,548.32 : x
  2. Step 2: Convert to fraction form
    115,062,845.12/158,786,720.16 = 62,139,548.32/x
  3. Step 3: Cross multiply
    115,062,845.12x = 158,786,720.16 × 62,139,548.32
  4. Step 4: Simplify right side
    115,062,845.12x = 9,866,935,069,956,638
  5. Step 5: Solve for x
    x = 9,866,935,069,956,638/115,062,845.12
  6. Step 6: Final answer
    x = 85,752,573.38

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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.