Home / 161,762,787.40-242,644,181.10-121,452,003.40

Finding the Fourth Proportional to 161,762,787.40, 242,644,181.10 and 121,452,003.40

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Solution

The fourth proportional to 161,762,787.40, 242,644,181.10 and 121,452,003.40 is: 182,178,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,762,787.40 : 242,644,181.10 = 121,452,003.40 : x
  2. Step 2: Convert to fraction form
    161,762,787.40/242,644,181.10 = 121,452,003.40/x
  3. Step 3: Cross multiply
    161,762,787.40x = 242,644,181.10 × 121,452,003.40
  4. Step 4: Simplify right side
    161,762,787.40x = 29,469,621,907,947,416
  5. Step 5: Solve for x
    x = 29,469,621,907,947,416/161,762,787.40
  6. Step 6: Final answer
    x = 182,178,005.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.