Home / 124,468,181.60-186,702,272.40-115,965,125.60

Finding the Fourth Proportional to 124,468,181.60, 186,702,272.40 and 115,965,125.60

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Solution

The fourth proportional to 124,468,181.60, 186,702,272.40 and 115,965,125.60 is: 173,947,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,468,181.60 : 186,702,272.40 = 115,965,125.60 : x
  2. Step 2: Convert to fraction form
    124,468,181.60/186,702,272.40 = 115,965,125.60/x
  3. Step 3: Cross multiply
    124,468,181.60x = 186,702,272.40 × 115,965,125.60
  4. Step 4: Simplify right side
    124,468,181.60x = 21,650,952,468,671,412
  5. Step 5: Solve for x
    x = 21,650,952,468,671,412/124,468,181.60
  6. Step 6: Final answer
    x = 173,947,688.40

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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.