Home / 124,562,177.80-186,843,266.70-115,492,251.40

Finding the Fourth Proportional to 124,562,177.80, 186,843,266.70 and 115,492,251.40

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Solution

The fourth proportional to 124,562,177.80, 186,843,266.70 and 115,492,251.40 is: 173,238,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,562,177.80 : 186,843,266.70 = 115,492,251.40 : x
  2. Step 2: Convert to fraction form
    124,562,177.80/186,843,266.70 = 115,492,251.40/x
  3. Step 3: Cross multiply
    124,562,177.80x = 186,843,266.70 × 115,492,251.40
  4. Step 4: Simplify right side
    124,562,177.80x = 21,578,949,530,113,648
  5. Step 5: Solve for x
    x = 21,578,949,530,113,648/124,562,177.80
  6. Step 6: Final answer
    x = 173,238,377.10

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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.