Home / 143,834,448.30-198,545,516.91-94,278,015.60

Finding the Fourth Proportional to 143,834,448.30, 198,545,516.91 and 94,278,015.60

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Solution

The fourth proportional to 143,834,448.30, 198,545,516.91 and 94,278,015.60 is: 130,139,042.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,834,448.30 : 198,545,516.91 = 94,278,015.60 : x
  2. Step 2: Convert to fraction form
    143,834,448.30/198,545,516.91 = 94,278,015.60/x
  3. Step 3: Cross multiply
    143,834,448.30x = 198,545,516.91 × 94,278,015.60
  4. Step 4: Simplify right side
    143,834,448.30x = 18,718,477,340,551,044
  5. Step 5: Solve for x
    x = 18,718,477,340,551,044/143,834,448.30
  6. Step 6: Final answer
    x = 130,139,042.22

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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.