Home / 124,426,328.70-186,639,493.05-98,728,203.90

Finding the Fourth Proportional to 124,426,328.70, 186,639,493.05 and 98,728,203.90

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Solution

The fourth proportional to 124,426,328.70, 186,639,493.05 and 98,728,203.90 is: 148,092,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,426,328.70 : 186,639,493.05 = 98,728,203.90 : x
  2. Step 2: Convert to fraction form
    124,426,328.70/186,639,493.05 = 98,728,203.90/x
  3. Step 3: Cross multiply
    124,426,328.70x = 186,639,493.05 × 98,728,203.90
  4. Step 4: Simplify right side
    124,426,328.70x = 18,426,581,925,633,036
  5. Step 5: Solve for x
    x = 18,426,581,925,633,036/124,426,328.70
  6. Step 6: Final answer
    x = 148,092,305.85

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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.