Home / 201,941,220.51-302,290,555.67-131,760,332.71

Finding the Fourth Proportional to 201,941,220.51, 302,290,555.67 and 131,760,332.71

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Solution

The fourth proportional to 201,941,220.51, 302,290,555.67 and 131,760,332.71 is: 197,235,136.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,941,220.51 : 302,290,555.67 = 131,760,332.71 : x
  2. Step 2: Convert to fraction form
    201,941,220.51/302,290,555.67 = 131,760,332.71/x
  3. Step 3: Cross multiply
    201,941,220.51x = 302,290,555.67 × 131,760,332.71
  4. Step 4: Simplify right side
    201,941,220.51x = 39,829,904,191,932,000
  5. Step 5: Solve for x
    x = 39,829,904,191,932,000/201,941,220.51
  6. Step 6: Final answer
    x = 197,235,136.50

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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.