Home / 131,875,030.88-181,963,479.50-76,100,103.80

Finding the Fourth Proportional to 131,875,030.88, 181,963,479.50 and 76,100,103.80

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Solution

The fourth proportional to 131,875,030.88, 181,963,479.50 and 76,100,103.80 is: 105,004,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,875,030.88 : 181,963,479.50 = 76,100,103.80 : x
  2. Step 2: Convert to fraction form
    131,875,030.88/181,963,479.50 = 76,100,103.80/x
  3. Step 3: Cross multiply
    131,875,030.88x = 181,963,479.50 × 76,100,103.80
  4. Step 4: Simplify right side
    131,875,030.88x = 13,847,439,677,759,172
  5. Step 5: Solve for x
    x = 13,847,439,677,759,172/131,875,030.88
  6. Step 6: Final answer
    x = 105,004,257.33

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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.