Home / 125,196,805.76-172,571,961.60-98,691,940.16

Finding the Fourth Proportional to 125,196,805.76, 172,571,961.60 and 98,691,940.16

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Solution

The fourth proportional to 125,196,805.76, 172,571,961.60 and 98,691,940.16 is: 136,037,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,196,805.76 : 172,571,961.60 = 98,691,940.16 : x
  2. Step 2: Convert to fraction form
    125,196,805.76/172,571,961.60 = 98,691,940.16/x
  3. Step 3: Cross multiply
    125,196,805.76x = 172,571,961.60 × 98,691,940.16
  4. Step 4: Simplify right side
    125,196,805.76x = 17,031,461,707,521,016
  5. Step 5: Solve for x
    x = 17,031,461,707,521,016/125,196,805.76
  6. Step 6: Final answer
    x = 136,037,509.94

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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.