Home / 223,864,171.80-335,796,257.70-78,249,337.80

Finding the Fourth Proportional to 223,864,171.80, 335,796,257.70 and 78,249,337.80

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Solution

The fourth proportional to 223,864,171.80, 335,796,257.70 and 78,249,337.80 is: 117,374,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,864,171.80 : 335,796,257.70 = 78,249,337.80 : x
  2. Step 2: Convert to fraction form
    223,864,171.80/335,796,257.70 = 78,249,337.80/x
  3. Step 3: Cross multiply
    223,864,171.80x = 335,796,257.70 × 78,249,337.80
  4. Step 4: Simplify right side
    223,864,171.80x = 26,275,834,800,743,148
  5. Step 5: Solve for x
    x = 26,275,834,800,743,148/223,864,171.80
  6. Step 6: Final answer
    x = 117,374,006.70

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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.