Home / 52,214,169.95-78,321,276.79-19,858,598.45

Finding the Fourth Proportional to 52,214,169.95, 78,321,276.79 and 19,858,598.45

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Solution

The fourth proportional to 52,214,169.95, 78,321,276.79 and 19,858,598.45 is: 29,787,905.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,214,169.95 : 78,321,276.79 = 19,858,598.45 : x
  2. Step 2: Convert to fraction form
    52,214,169.95/78,321,276.79 = 19,858,598.45/x
  3. Step 3: Cross multiply
    52,214,169.95x = 78,321,276.79 × 19,858,598.45
  4. Step 4: Simplify right side
    52,214,169.95x = 1,555,350,785,828,071.50
  5. Step 5: Solve for x
    x = 1,555,350,785,828,071.50/52,214,169.95
  6. Step 6: Final answer
    x = 29,787,905.99

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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.