Home / 111,966,887.40-167,950,331.10-47,343,661.80

Finding the Fourth Proportional to 111,966,887.40, 167,950,331.10 and 47,343,661.80

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Solution

The fourth proportional to 111,966,887.40, 167,950,331.10 and 47,343,661.80 is: 71,015,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,966,887.40 : 167,950,331.10 = 47,343,661.80 : x
  2. Step 2: Convert to fraction form
    111,966,887.40/167,950,331.10 = 47,343,661.80/x
  3. Step 3: Cross multiply
    111,966,887.40x = 167,950,331.10 × 47,343,661.80
  4. Step 4: Simplify right side
    111,966,887.40x = 7,951,383,674,796,421
  5. Step 5: Solve for x
    x = 7,951,383,674,796,421/111,966,887.40
  6. Step 6: Final answer
    x = 71,015,492.70

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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.