Home / 66,159,855.63-91,287,221.27-38,652,469.47

Finding the Fourth Proportional to 66,159,855.63, 91,287,221.27 and 38,652,469.47

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Solution

The fourth proportional to 66,159,855.63, 91,287,221.27 and 38,652,469.47 is: 53,332,591.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,159,855.63 : 91,287,221.27 = 38,652,469.47 : x
  2. Step 2: Convert to fraction form
    66,159,855.63/91,287,221.27 = 38,652,469.47/x
  3. Step 3: Cross multiply
    66,159,855.63x = 91,287,221.27 × 38,652,469.47
  4. Step 4: Simplify right side
    66,159,855.63x = 3,528,476,532,946,547
  5. Step 5: Solve for x
    x = 3,528,476,532,946,547/66,159,855.63
  6. Step 6: Final answer
    x = 53,332,591.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.