Home / 115,314,724.16-159,134,329.60-63,103,757.12

Finding the Fourth Proportional to 115,314,724.16, 159,134,329.60 and 63,103,757.12

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Solution

The fourth proportional to 115,314,724.16, 159,134,329.60 and 63,103,757.12 is: 87,083,190.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,314,724.16 : 159,134,329.60 = 63,103,757.12 : x
  2. Step 2: Convert to fraction form
    115,314,724.16/159,134,329.60 = 63,103,757.12/x
  3. Step 3: Cross multiply
    115,314,724.16x = 159,134,329.60 × 63,103,757.12
  4. Step 4: Simplify right side
    115,314,724.16x = 10,041,974,084,532,426
  5. Step 5: Solve for x
    x = 10,041,974,084,532,426/115,314,724.16
  6. Step 6: Final answer
    x = 87,083,190.44

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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.