Home / 143,736,031.80-215,604,047.70-109,723,807.80

Finding the Fourth Proportional to 143,736,031.80, 215,604,047.70 and 109,723,807.80

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Solution

The fourth proportional to 143,736,031.80, 215,604,047.70 and 109,723,807.80 is: 164,585,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,736,031.80 : 215,604,047.70 = 109,723,807.80 : x
  2. Step 2: Convert to fraction form
    143,736,031.80/215,604,047.70 = 109,723,807.80/x
  3. Step 3: Cross multiply
    143,736,031.80x = 215,604,047.70 × 109,723,807.80
  4. Step 4: Simplify right side
    143,736,031.80x = 23,656,897,090,736,832
  5. Step 5: Solve for x
    x = 23,656,897,090,736,832/143,736,031.80
  6. Step 6: Final answer
    x = 164,585,711.70

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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.