Home / 221,452,111.20-332,178,166.80-135,358,669.20

Finding the Fourth Proportional to 221,452,111.20, 332,178,166.80 and 135,358,669.20

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Solution

The fourth proportional to 221,452,111.20, 332,178,166.80 and 135,358,669.20 is: 203,038,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,452,111.20 : 332,178,166.80 = 135,358,669.20 : x
  2. Step 2: Convert to fraction form
    221,452,111.20/332,178,166.80 = 135,358,669.20/x
  3. Step 3: Cross multiply
    221,452,111.20x = 332,178,166.80 × 135,358,669.20
  4. Step 4: Simplify right side
    221,452,111.20x = 44,963,194,595,343,624
  5. Step 5: Solve for x
    x = 44,963,194,595,343,624/221,452,111.20
  6. Step 6: Final answer
    x = 203,038,003.80

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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.