Home / 142,015,267.70-213,022,901.55-61,236,235.70

Finding the Fourth Proportional to 142,015,267.70, 213,022,901.55 and 61,236,235.70

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Solution

The fourth proportional to 142,015,267.70, 213,022,901.55 and 61,236,235.70 is: 91,854,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,015,267.70 : 213,022,901.55 = 61,236,235.70 : x
  2. Step 2: Convert to fraction form
    142,015,267.70/213,022,901.55 = 61,236,235.70/x
  3. Step 3: Cross multiply
    142,015,267.70x = 213,022,901.55 × 61,236,235.70
  4. Step 4: Simplify right side
    142,015,267.70x = 13,044,720,608,813,696
  5. Step 5: Solve for x
    x = 13,044,720,608,813,696/142,015,267.70
  6. Step 6: Final answer
    x = 91,854,353.55

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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.