Home / 143,760,979.80-215,494,503.30-70,865,645.40

Finding the Fourth Proportional to 143,760,979.80, 215,494,503.30 and 70,865,645.40

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Solution

The fourth proportional to 143,760,979.80, 215,494,503.30 and 70,865,645.40 is: 106,226,022.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,760,979.80 : 215,494,503.30 = 70,865,645.40 : x
  2. Step 2: Convert to fraction form
    143,760,979.80/215,494,503.30 = 70,865,645.40/x
  3. Step 3: Cross multiply
    143,760,979.80x = 215,494,503.30 × 70,865,645.40
  4. Step 4: Simplify right side
    143,760,979.80x = 15,271,157,056,506,932
  5. Step 5: Solve for x
    x = 15,271,157,056,506,932/143,760,979.80
  6. Step 6: Final answer
    x = 106,226,022.37

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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.