Home / 265,326,176.40-397,989,264.60-81,093,296.40

Finding the Fourth Proportional to 265,326,176.40, 397,989,264.60 and 81,093,296.40

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Solution

The fourth proportional to 265,326,176.40, 397,989,264.60 and 81,093,296.40 is: 121,639,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,326,176.40 : 397,989,264.60 = 81,093,296.40 : x
  2. Step 2: Convert to fraction form
    265,326,176.40/397,989,264.60 = 81,093,296.40/x
  3. Step 3: Cross multiply
    265,326,176.40x = 397,989,264.60 × 81,093,296.40
  4. Step 4: Simplify right side
    265,326,176.40x = 32,274,261,398,225,832
  5. Step 5: Solve for x
    x = 32,274,261,398,225,832/265,326,176.40
  6. Step 6: Final answer
    x = 121,639,944.60

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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.