Home / 148,457,977.20-222,686,965.80-79,583,223.60

Finding the Fourth Proportional to 148,457,977.20, 222,686,965.80 and 79,583,223.60

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Solution

The fourth proportional to 148,457,977.20, 222,686,965.80 and 79,583,223.60 is: 119,374,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,457,977.20 : 222,686,965.80 = 79,583,223.60 : x
  2. Step 2: Convert to fraction form
    148,457,977.20/222,686,965.80 = 79,583,223.60/x
  3. Step 3: Cross multiply
    148,457,977.20x = 222,686,965.80 × 79,583,223.60
  4. Step 4: Simplify right side
    148,457,977.20x = 17,722,146,592,066,952
  5. Step 5: Solve for x
    x = 17,722,146,592,066,952/148,457,977.20
  6. Step 6: Final answer
    x = 119,374,835.40

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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.