Home / 209,953,857.80-314,930,786.70-148,731,854.60

Finding the Fourth Proportional to 209,953,857.80, 314,930,786.70 and 148,731,854.60

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Solution

The fourth proportional to 209,953,857.80, 314,930,786.70 and 148,731,854.60 is: 223,097,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,857.80 : 314,930,786.70 = 148,731,854.60 : x
  2. Step 2: Convert to fraction form
    209,953,857.80/314,930,786.70 = 148,731,854.60/x
  3. Step 3: Cross multiply
    209,953,857.80x = 314,930,786.70 × 148,731,854.60
  4. Step 4: Simplify right side
    209,953,857.80x = 46,840,239,976,528,008
  5. Step 5: Solve for x
    x = 46,840,239,976,528,008/209,953,857.80
  6. Step 6: Final answer
    x = 223,097,781.90

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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.