Home / 221,244,009.60-331,866,014.40-153,163,574.40

Finding the Fourth Proportional to 221,244,009.60, 331,866,014.40 and 153,163,574.40

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Solution

The fourth proportional to 221,244,009.60, 331,866,014.40 and 153,163,574.40 is: 229,745,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,244,009.60 : 331,866,014.40 = 153,163,574.40 : x
  2. Step 2: Convert to fraction form
    221,244,009.60/331,866,014.40 = 153,163,574.40/x
  3. Step 3: Cross multiply
    221,244,009.60x = 331,866,014.40 × 153,163,574.40
  4. Step 4: Simplify right side
    221,244,009.60x = 50,829,784,987,385,872
  5. Step 5: Solve for x
    x = 50,829,784,987,385,872/221,244,009.60
  6. Step 6: Final answer
    x = 229,745,361.60

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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.