Home / 158,043,203.86-218,094,886.53-87,481,706.34

Finding the Fourth Proportional to 158,043,203.86, 218,094,886.53 and 87,481,706.34

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Solution

The fourth proportional to 158,043,203.86, 218,094,886.53 and 87,481,706.34 is: 120,722,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,043,203.86 : 218,094,886.53 = 87,481,706.34 : x
  2. Step 2: Convert to fraction form
    158,043,203.86/218,094,886.53 = 87,481,706.34/x
  3. Step 3: Cross multiply
    158,043,203.86x = 218,094,886.53 × 87,481,706.34
  4. Step 4: Simplify right side
    158,043,203.86x = 19,079,312,818,198,316
  5. Step 5: Solve for x
    x = 19,079,312,818,198,316/158,043,203.86
  6. Step 6: Final answer
    x = 120,722,133.90

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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.