Home / 102,400,947.80-141,327,133.01-57,756,084.05

Finding the Fourth Proportional to 102,400,947.80, 141,327,133.01 and 57,756,084.05

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Solution

The fourth proportional to 102,400,947.80, 141,327,133.01 and 57,756,084.05 is: 79,711,193.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,400,947.80 : 141,327,133.01 = 57,756,084.05 : x
  2. Step 2: Convert to fraction form
    102,400,947.80/141,327,133.01 = 57,756,084.05/x
  3. Step 3: Cross multiply
    102,400,947.80x = 141,327,133.01 × 57,756,084.05
  4. Step 4: Simplify right side
    102,400,947.80x = 8,162,501,771,675,673
  5. Step 5: Solve for x
    x = 8,162,501,771,675,673/102,400,947.80
  6. Step 6: Final answer
    x = 79,711,193.57

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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.