Home / 131,178,685.44-181,012,838.40-76,163,796.48

Finding the Fourth Proportional to 131,178,685.44, 181,012,838.40 and 76,163,796.48

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Solution

The fourth proportional to 131,178,685.44, 181,012,838.40 and 76,163,796.48 is: 105,098,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,178,685.44 : 181,012,838.40 = 76,163,796.48 : x
  2. Step 2: Convert to fraction form
    131,178,685.44/181,012,838.40 = 76,163,796.48/x
  3. Step 3: Cross multiply
    131,178,685.44x = 181,012,838.40 × 76,163,796.48
  4. Step 4: Simplify right side
    131,178,685.44x = 13,786,624,984,164,730
  5. Step 5: Solve for x
    x = 13,786,624,984,164,730/131,178,685.44
  6. Step 6: Final answer
    x = 105,098,057.19

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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.