Home / 131,713,086.40-181,763,917.24-72,175,834.25

Finding the Fourth Proportional to 131,713,086.40, 181,763,917.24 and 72,175,834.25

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Solution

The fourth proportional to 131,713,086.40, 181,763,917.24 and 72,175,834.25 is: 99,602,573.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,713,086.40 : 181,763,917.24 = 72,175,834.25 : x
  2. Step 2: Convert to fraction form
    131,713,086.40/181,763,917.24 = 72,175,834.25/x
  3. Step 3: Cross multiply
    131,713,086.40x = 181,763,917.24 × 72,175,834.25
  4. Step 4: Simplify right side
    131,713,086.40x = 13,118,962,363,344,958
  5. Step 5: Solve for x
    x = 13,118,962,363,344,958/131,713,086.40
  6. Step 6: Final answer
    x = 99,602,573.46

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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.