Home / 221,244,005.10-331,866,007.65-153,163,569.90

Finding the Fourth Proportional to 221,244,005.10, 331,866,007.65 and 153,163,569.90

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Solution

The fourth proportional to 221,244,005.10, 331,866,007.65 and 153,163,569.90 is: 229,745,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,244,005.10 : 331,866,007.65 = 153,163,569.90 : x
  2. Step 2: Convert to fraction form
    221,244,005.10/331,866,007.65 = 153,163,569.90/x
  3. Step 3: Cross multiply
    221,244,005.10x = 331,866,007.65 × 153,163,569.90
  4. Step 4: Simplify right side
    221,244,005.10x = 50,829,782,460,134,712
  5. Step 5: Solve for x
    x = 50,829,782,460,134,712/221,244,005.10
  6. Step 6: Final answer
    x = 229,745,354.85

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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.