Home / 201,584,934.40-302,433,388.80-86,624,550.40

Finding the Fourth Proportional to 201,584,934.40, 302,433,388.80 and 86,624,550.40

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Solution

The fourth proportional to 201,584,934.40, 302,433,388.80 and 86,624,550.40 is: 129,960,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,584,934.40 : 302,433,388.80 = 86,624,550.40 : x
  2. Step 2: Convert to fraction form
    201,584,934.40/302,433,388.80 = 86,624,550.40/x
  3. Step 3: Cross multiply
    201,584,934.40x = 302,433,388.80 × 86,624,550.40
  4. Step 4: Simplify right side
    201,584,934.40x = 26,198,156,330,748,400
  5. Step 5: Solve for x
    x = 26,198,156,330,748,400/201,584,934.40
  6. Step 6: Final answer
    x = 129,960,884.27

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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.