Home / 142,079,553.74-196,069,705.36-80,200,426.70

Finding the Fourth Proportional to 142,079,553.74, 196,069,705.36 and 80,200,426.70

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Solution

The fourth proportional to 142,079,553.74, 196,069,705.36 and 80,200,426.70 is: 110,676,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,079,553.74 : 196,069,705.36 = 80,200,426.70 : x
  2. Step 2: Convert to fraction form
    142,079,553.74/196,069,705.36 = 80,200,426.70/x
  3. Step 3: Cross multiply
    142,079,553.74x = 196,069,705.36 × 80,200,426.70
  4. Step 4: Simplify right side
    142,079,553.74x = 15,724,874,031,634,426
  5. Step 5: Solve for x
    x = 15,724,874,031,634,426/142,079,553.74
  6. Step 6: Final answer
    x = 110,676,544.36

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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.