Home / 209,939,789.46-314,873,793.09-56,549,973.66

Finding the Fourth Proportional to 209,939,789.46, 314,873,793.09 and 56,549,973.66

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Solution

The fourth proportional to 209,939,789.46, 314,873,793.09 and 56,549,973.66 is: 84,815,292.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,939,789.46 : 314,873,793.09 = 56,549,973.66 : x
  2. Step 2: Convert to fraction form
    209,939,789.46/314,873,793.09 = 56,549,973.66/x
  3. Step 3: Cross multiply
    209,939,789.46x = 314,873,793.09 × 56,549,973.66
  4. Step 4: Simplify right side
    209,939,789.46x = 17,806,104,705,463,788
  5. Step 5: Solve for x
    x = 17,806,104,705,463,788/209,939,789.46
  6. Step 6: Final answer
    x = 84,815,292.76

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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.