Home / 121,563,660.90-182,190,662.55-49,678,860.90

Finding the Fourth Proportional to 121,563,660.90, 182,190,662.55 and 49,678,860.90

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Solution

The fourth proportional to 121,563,660.90, 182,190,662.55 and 49,678,860.90 is: 74,455,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,563,660.90 : 182,190,662.55 = 49,678,860.90 : x
  2. Step 2: Convert to fraction form
    121,563,660.90/182,190,662.55 = 49,678,860.90/x
  3. Step 3: Cross multiply
    121,563,660.90x = 182,190,662.55 × 49,678,860.90
  4. Step 4: Simplify right side
    121,563,660.90x = 9,051,024,582,100,290
  5. Step 5: Solve for x
    x = 9,051,024,582,100,290/121,563,660.90
  6. Step 6: Final answer
    x = 74,455,018.18

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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.