Home / 125,188,414.40-172,560,465.16-98,683,574.15

Finding the Fourth Proportional to 125,188,414.40, 172,560,465.16 and 98,683,574.15

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Solution

The fourth proportional to 125,188,414.40, 172,560,465.16 and 98,683,574.15 is: 136,026,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,188,414.40 : 172,560,465.16 = 98,683,574.15 : x
  2. Step 2: Convert to fraction form
    125,188,414.40/172,560,465.16 = 98,683,574.15/x
  3. Step 3: Cross multiply
    125,188,414.40x = 172,560,465.16 × 98,683,574.15
  4. Step 4: Simplify right side
    125,188,414.40x = 17,028,883,457,865,840
  5. Step 5: Solve for x
    x = 17,028,883,457,865,840/125,188,414.40
  6. Step 6: Final answer
    x = 136,026,033.56

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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.