Home / 144,007,888.84-198,731,410.10-77,928,380.44

Finding the Fourth Proportional to 144,007,888.84, 198,731,410.10 and 77,928,380.44

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Solution

The fourth proportional to 144,007,888.84, 198,731,410.10 and 77,928,380.44 is: 107,541,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,007,888.84 : 198,731,410.10 = 77,928,380.44 : x
  2. Step 2: Convert to fraction form
    144,007,888.84/198,731,410.10 = 77,928,380.44/x
  3. Step 3: Cross multiply
    144,007,888.84x = 198,731,410.10 × 77,928,380.44
  4. Step 4: Simplify right side
    144,007,888.84x = 15,486,816,931,650,458
  5. Step 5: Solve for x
    x = 15,486,816,931,650,458/144,007,888.84
  6. Step 6: Final answer
    x = 107,541,448.29

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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.