Home / 111,120,001.70-166,680,002.55-57,372,289.70

Finding the Fourth Proportional to 111,120,001.70, 166,680,002.55 and 57,372,289.70

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Solution

The fourth proportional to 111,120,001.70, 166,680,002.55 and 57,372,289.70 is: 86,058,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,120,001.70 : 166,680,002.55 = 57,372,289.70 : x
  2. Step 2: Convert to fraction form
    111,120,001.70/166,680,002.55 = 57,372,289.70/x
  3. Step 3: Cross multiply
    111,120,001.70x = 166,680,002.55 × 57,372,289.70
  4. Step 4: Simplify right side
    111,120,001.70x = 9,562,813,393,495,340
  5. Step 5: Solve for x
    x = 9,562,813,393,495,340/111,120,001.70
  6. Step 6: Final answer
    x = 86,058,434.55

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1.5x scale

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.