Home / 125,188,312.75-172,560,331.94-98,683,477.47

Finding the Fourth Proportional to 125,188,312.75, 172,560,331.94 and 98,683,477.47

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Solution

The fourth proportional to 125,188,312.75, 172,560,331.94 and 98,683,477.47 is: 136,025,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,188,312.75 : 172,560,331.94 = 98,683,477.47 : x
  2. Step 2: Convert to fraction form
    125,188,312.75/172,560,331.94 = 98,683,477.47/x
  3. Step 3: Cross multiply
    125,188,312.75x = 172,560,331.94 × 98,683,477.47
  4. Step 4: Simplify right side
    125,188,312.75x = 17,028,853,628,723,294
  5. Step 5: Solve for x
    x = 17,028,853,628,723,294/125,188,312.75
  6. Step 6: Final answer
    x = 136,025,905.73

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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.