Home / 209,952,221.80-314,928,332.70-56,613,778.60

Finding the Fourth Proportional to 209,952,221.80, 314,928,332.70 and 56,613,778.60

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Solution

The fourth proportional to 209,952,221.80, 314,928,332.70 and 56,613,778.60 is: 84,920,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,221.80 : 314,928,332.70 = 56,613,778.60 : x
  2. Step 2: Convert to fraction form
    209,952,221.80/314,928,332.70 = 56,613,778.60/x
  3. Step 3: Cross multiply
    209,952,221.80x = 314,928,332.70 × 56,613,778.60
  4. Step 4: Simplify right side
    209,952,221.80x = 17,829,282,902,344,940
  5. Step 5: Solve for x
    x = 17,829,282,902,344,940/209,952,221.80
  6. Step 6: Final answer
    x = 84,920,667.90

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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.