Home / 118,288,072.35-176,694,468.45-87,642,506.31

Finding the Fourth Proportional to 118,288,072.35, 176,694,468.45 and 87,642,506.31

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Solution

The fourth proportional to 118,288,072.35, 176,694,468.45 and 87,642,506.31 is: 130,917,224.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,288,072.35 : 176,694,468.45 = 87,642,506.31 : x
  2. Step 2: Convert to fraction form
    118,288,072.35/176,694,468.45 = 87,642,506.31/x
  3. Step 3: Cross multiply
    118,288,072.35x = 176,694,468.45 × 87,642,506.31
  4. Step 4: Simplify right side
    118,288,072.35x = 15,485,946,066,071,220
  5. Step 5: Solve for x
    x = 15,485,946,066,071,220/118,288,072.35
  6. Step 6: Final answer
    x = 130,917,224.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.