Home / 98,637,273.67-136,121,658.64-63,890,443.20

Finding the Fourth Proportional to 98,637,273.67, 136,121,658.64 and 63,890,443.20

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Solution

The fourth proportional to 98,637,273.67, 136,121,658.64 and 63,890,443.20 is: 88,170,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,637,273.67 : 136,121,658.64 = 63,890,443.20 : x
  2. Step 2: Convert to fraction form
    98,637,273.67/136,121,658.64 = 63,890,443.20/x
  3. Step 3: Cross multiply
    98,637,273.67x = 136,121,658.64 × 63,890,443.20
  4. Step 4: Simplify right side
    98,637,273.67x = 8,696,873,099,309,257
  5. Step 5: Solve for x
    x = 8,696,873,099,309,257/98,637,273.67
  6. Step 6: Final answer
    x = 88,170,250.21

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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.