Home / 160,357,102.78-221,292,801.84-87,018,244.78

Finding the Fourth Proportional to 160,357,102.78, 221,292,801.84 and 87,018,244.78

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Solution

The fourth proportional to 160,357,102.78, 221,292,801.84 and 87,018,244.78 is: 120,085,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,357,102.78 : 221,292,801.84 = 87,018,244.78 : x
  2. Step 2: Convert to fraction form
    160,357,102.78/221,292,801.84 = 87,018,244.78/x
  3. Step 3: Cross multiply
    160,357,102.78x = 221,292,801.84 × 87,018,244.78
  4. Step 4: Simplify right side
    160,357,102.78x = 19,256,511,198,565,156
  5. Step 5: Solve for x
    x = 19,256,511,198,565,156/160,357,102.78
  6. Step 6: Final answer
    x = 120,085,177.80

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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.