Home / 147,267,422,745.70-203,234,057,824.56-85,463,207,307.76

Finding the Fourth Proportional to 147,267,422,745.70, 203,234,057,824.56 and 85,463,207,307.76

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Solution

The fourth proportional to 147,267,422,745.70, 203,234,057,824.56 and 85,463,207,307.76 is: 117,942,136,095.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,267,422,745.70 : 203,234,057,824.56 = 85,463,207,307.76 : x
  2. Step 2: Convert to fraction form
    147,267,422,745.70/203,234,057,824.56 = 85,463,207,307.76/x
  3. Step 3: Cross multiply
    147,267,422,745.70x = 203,234,057,824.56 × 85,463,207,307.76
  4. Step 4: Simplify right side
    147,267,422,745.70x = 17,369,034,415,857,654,038,528
  5. Step 5: Solve for x
    x = 17,369,034,415,857,654,038,528/147,267,422,745.70
  6. Step 6: Final answer
    x = 117,942,136,095.17

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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.