Home / 102,206,903.10-141,047,660.79-55,799,113.02

Finding the Fourth Proportional to 102,206,903.10, 141,047,660.79 and 55,799,113.02

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Solution

The fourth proportional to 102,206,903.10, 141,047,660.79 and 55,799,113.02 is: 77,003,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,206,903.10 : 141,047,660.79 = 55,799,113.02 : x
  2. Step 2: Convert to fraction form
    102,206,903.10/141,047,660.79 = 55,799,113.02/x
  3. Step 3: Cross multiply
    102,206,903.10x = 141,047,660.79 × 55,799,113.02
  4. Step 4: Simplify right side
    102,206,903.10x = 7,870,334,365,627,832
  5. Step 5: Solve for x
    x = 7,870,334,365,627,832/102,206,903.10
  6. Step 6: Final answer
    x = 77,003,941.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.