Home / 91,663,651.04-126,828,936.96-79,927,392.43

Finding the Fourth Proportional to 91,663,651.04, 126,828,936.96 and 79,927,392.43

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Solution

The fourth proportional to 91,663,651.04, 126,828,936.96 and 79,927,392.43 is: 110,590,251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,663,651.04 : 126,828,936.96 = 79,927,392.43 : x
  2. Step 2: Convert to fraction form
    91,663,651.04/126,828,936.96 = 79,927,392.43/x
  3. Step 3: Cross multiply
    91,663,651.04x = 126,828,936.96 × 79,927,392.43
  4. Step 4: Simplify right side
    91,663,651.04x = 10,137,106,215,564,578
  5. Step 5: Solve for x
    x = 10,137,106,215,564,578/91,663,651.04
  6. Step 6: Final answer
    x = 110,590,251.43

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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.