Home / 160,307,929.44-221,225,022.72-86,969,052

Finding the Fourth Proportional to 160,307,929.44, 221,225,022.72 and 86,969,052

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Solution

The fourth proportional to 160,307,929.44, 221,225,022.72 and 86,969,052 is: 120,017,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,307,929.44 : 221,225,022.72 = 86,969,052 : x
  2. Step 2: Convert to fraction form
    160,307,929.44/221,225,022.72 = 86,969,052/x
  3. Step 3: Cross multiply
    160,307,929.44x = 221,225,022.72 × 86,969,052
  4. Step 4: Simplify right side
    160,307,929.44x = 19,239,730,504,636,860
  5. Step 5: Solve for x
    x = 19,239,730,504,636,860/160,307,929.44
  6. Step 6: Final answer
    x = 120,017,335.21

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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.