Home / 131,614,721.47-181,817,506.85-105,118,287.43

Finding the Fourth Proportional to 131,614,721.47, 181,817,506.85 and 105,118,287.43

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Solution

The fourth proportional to 131,614,721.47, 181,817,506.85 and 105,118,287.43 is: 145,214,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,614,721.47 : 181,817,506.85 = 105,118,287.43 : x
  2. Step 2: Convert to fraction form
    131,614,721.47/181,817,506.85 = 105,118,287.43/x
  3. Step 3: Cross multiply
    131,614,721.47x = 181,817,506.85 × 105,118,287.43
  4. Step 4: Simplify right side
    131,614,721.47x = 19,112,344,944,864,296
  5. Step 5: Solve for x
    x = 19,112,344,944,864,296/131,614,721.47
  6. Step 6: Final answer
    x = 145,214,340.25

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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.