Home / 111,966,886.40-167,950,329.60-47,343,660.80

Finding the Fourth Proportional to 111,966,886.40, 167,950,329.60 and 47,343,660.80

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Solution

The fourth proportional to 111,966,886.40, 167,950,329.60 and 47,343,660.80 is: 71,015,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,966,886.40 : 167,950,329.60 = 47,343,660.80 : x
  2. Step 2: Convert to fraction form
    111,966,886.40/167,950,329.60 = 47,343,660.80/x
  3. Step 3: Cross multiply
    111,966,886.40x = 167,950,329.60 × 47,343,660.80
  4. Step 4: Simplify right side
    111,966,886.40x = 7,951,383,435,830,599
  5. Step 5: Solve for x
    x = 7,951,383,435,830,599/111,966,886.40
  6. Step 6: Final answer
    x = 71,015,491.20

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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.