Home / 131,713,086.90-181,763,917.93-72,175,834.75

Finding the Fourth Proportional to 131,713,086.90, 181,763,917.93 and 72,175,834.75

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Solution

The fourth proportional to 131,713,086.90, 181,763,917.93 and 72,175,834.75 is: 99,602,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,713,086.90 : 181,763,917.93 = 72,175,834.75 : x
  2. Step 2: Convert to fraction form
    131,713,086.90/181,763,917.93 = 72,175,834.75/x
  3. Step 3: Cross multiply
    131,713,086.90x = 181,763,917.93 × 72,175,834.75
  4. Step 4: Simplify right side
    131,713,086.90x = 13,118,962,504,028,242
  5. Step 5: Solve for x
    x = 13,118,962,504,028,242/131,713,086.90
  6. Step 6: Final answer
    x = 99,602,574.15

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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.