Home / 143,834,450.15-198,545,519.46-94,278,017.45

Finding the Fourth Proportional to 143,834,450.15, 198,545,519.46 and 94,278,017.45

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Solution

The fourth proportional to 143,834,450.15, 198,545,519.46 and 94,278,017.45 is: 130,139,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,834,450.15 : 198,545,519.46 = 94,278,017.45 : x
  2. Step 2: Convert to fraction form
    143,834,450.15/198,545,519.46 = 94,278,017.45/x
  3. Step 3: Cross multiply
    143,834,450.15x = 198,545,519.46 × 94,278,017.45
  4. Step 4: Simplify right side
    143,834,450.15x = 18,718,477,947,276,468
  5. Step 5: Solve for x
    x = 18,718,477,947,276,468/143,834,450.15
  6. Step 6: Final answer
    x = 130,139,044.77

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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.