Home / 341,754,622.16-512,635,147.32-82,972,115.60

Finding the Fourth Proportional to 341,754,622.16, 512,635,147.32 and 82,972,115.60

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Solution

The fourth proportional to 341,754,622.16, 512,635,147.32 and 82,972,115.60 is: 124,458,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,754,622.16 : 512,635,147.32 = 82,972,115.60 : x
  2. Step 2: Convert to fraction form
    341,754,622.16/512,635,147.32 = 82,972,115.60/x
  3. Step 3: Cross multiply
    341,754,622.16x = 512,635,147.32 × 82,972,115.60
  4. Step 4: Simplify right side
    341,754,622.16x = 42,534,422,704,058,064
  5. Step 5: Solve for x
    x = 42,534,422,704,058,064/341,754,622.16
  6. Step 6: Final answer
    x = 124,458,953.72

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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.