Home / 52,275,395.45-78,400,055.61-15,379,943.14

Finding the Fourth Proportional to 52,275,395.45, 78,400,055.61 and 15,379,943.14

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Solution

The fourth proportional to 52,275,395.45, 78,400,055.61 and 15,379,943.14 is: 23,066,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,275,395.45 : 78,400,055.61 = 15,379,943.14 : x
  2. Step 2: Convert to fraction form
    52,275,395.45/78,400,055.61 = 15,379,943.14/x
  3. Step 3: Cross multiply
    52,275,395.45x = 78,400,055.61 × 15,379,943.14
  4. Step 4: Simplify right side
    52,275,395.45x = 1,205,788,397,258,637.75
  5. Step 5: Solve for x
    x = 1,205,788,397,258,637.75/52,275,395.45
  6. Step 6: Final answer
    x = 23,066,078.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.