Home / 121,344,359.80-182,016,539.70-53,114,625.40

Finding the Fourth Proportional to 121,344,359.80, 182,016,539.70 and 53,114,625.40

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Solution

The fourth proportional to 121,344,359.80, 182,016,539.70 and 53,114,625.40 is: 79,671,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,344,359.80 : 182,016,539.70 = 53,114,625.40 : x
  2. Step 2: Convert to fraction form
    121,344,359.80/182,016,539.70 = 53,114,625.40/x
  3. Step 3: Cross multiply
    121,344,359.80x = 182,016,539.70 × 53,114,625.40
  4. Step 4: Simplify right side
    121,344,359.80x = 9,667,740,322,769,728
  5. Step 5: Solve for x
    x = 9,667,740,322,769,728/121,344,359.80
  6. Step 6: Final answer
    x = 79,671,938.10

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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.