Home / 131,596,504.80-181,615,362.13-72,859,169.91

Finding the Fourth Proportional to 131,596,504.80, 181,615,362.13 and 72,859,169.91

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Solution

The fourth proportional to 131,596,504.80, 181,615,362.13 and 72,859,169.91 is: 100,552,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,596,504.80 : 181,615,362.13 = 72,859,169.91 : x
  2. Step 2: Convert to fraction form
    131,596,504.80/181,615,362.13 = 72,859,169.91/x
  3. Step 3: Cross multiply
    131,596,504.80x = 181,615,362.13 × 72,859,169.91
  4. Step 4: Simplify right side
    131,596,504.80x = 13,232,344,527,695,848
  5. Step 5: Solve for x
    x = 13,232,344,527,695,848/131,596,504.80
  6. Step 6: Final answer
    x = 100,552,401.05

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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.