Home / 66,506,221,989.78-91,777,855,689.30-36,021,647,185.62

Finding the Fourth Proportional to 66,506,221,989.78, 91,777,855,689.30 and 36,021,647,185.62

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Solution

The fourth proportional to 66,506,221,989.78, 91,777,855,689.30 and 36,021,647,185.62 is: 49,709,477,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,506,221,989.78 : 91,777,855,689.30 = 36,021,647,185.62 : x
  2. Step 2: Convert to fraction form
    66,506,221,989.78/91,777,855,689.30 = 36,021,647,185.62/x
  3. Step 3: Cross multiply
    66,506,221,989.78x = 91,777,855,689.30 × 36,021,647,185.62
  4. Step 4: Simplify right side
    66,506,221,989.78x = 3,305,989,537,092,712,005,632
  5. Step 5: Solve for x
    x = 3,305,989,537,092,712,005,632/66,506,221,989.78
  6. Step 6: Final answer
    x = 49,709,477,371.92

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Double scale
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1.5x scale

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.