Home / 108,871,409.80-163,307,114.70-97,785,944.20

Finding the Fourth Proportional to 108,871,409.80, 163,307,114.70 and 97,785,944.20

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Solution

The fourth proportional to 108,871,409.80, 163,307,114.70 and 97,785,944.20 is: 146,678,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871,409.80 : 163,307,114.70 = 97,785,944.20 : x
  2. Step 2: Convert to fraction form
    108,871,409.80/163,307,114.70 = 97,785,944.20/x
  3. Step 3: Cross multiply
    108,871,409.80x = 163,307,114.70 × 97,785,944.20
  4. Step 4: Simplify right side
    108,871,409.80x = 15,969,140,405,517,200
  5. Step 5: Solve for x
    x = 15,969,140,405,517,200/108,871,409.80
  6. Step 6: Final answer
    x = 146,678,916.30

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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.