Home / 108,871,570.80-163,307,356.20-97,786,105.20

Finding the Fourth Proportional to 108,871,570.80, 163,307,356.20 and 97,786,105.20

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Solution

The fourth proportional to 108,871,570.80, 163,307,356.20 and 97,786,105.20 is: 146,679,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871,570.80 : 163,307,356.20 = 97,786,105.20 : x
  2. Step 2: Convert to fraction form
    108,871,570.80/163,307,356.20 = 97,786,105.20/x
  3. Step 3: Cross multiply
    108,871,570.80x = 163,307,356.20 × 97,786,105.20
  4. Step 4: Simplify right side
    108,871,570.80x = 15,969,190,313,307,072
  5. Step 5: Solve for x
    x = 15,969,190,313,307,072/108,871,570.80
  6. Step 6: Final answer
    x = 146,679,157.80

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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.