Home / 148,021,753.84-204,272,438.56-81,039,594.40

Finding the Fourth Proportional to 148,021,753.84, 204,272,438.56 and 81,039,594.40

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Solution

The fourth proportional to 148,021,753.84, 204,272,438.56 and 81,039,594.40 is: 111,835,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,021,753.84 : 204,272,438.56 = 81,039,594.40 : x
  2. Step 2: Convert to fraction form
    148,021,753.84/204,272,438.56 = 81,039,594.40/x
  3. Step 3: Cross multiply
    148,021,753.84x = 204,272,438.56 × 81,039,594.40
  4. Step 4: Simplify right side
    148,021,753.84x = 16,554,155,568,001,322
  5. Step 5: Solve for x
    x = 16,554,155,568,001,322/148,021,753.84
  6. Step 6: Final answer
    x = 111,835,964.23

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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.