Home / 72,876,073,948.92-109,318,907,428.56-19,094,526,445.32

Finding the Fourth Proportional to 72,876,073,948.92, 109,318,907,428.56 and 19,094,526,445.32

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Solution

The fourth proportional to 72,876,073,948.92, 109,318,907,428.56 and 19,094,526,445.32 is: 28,643,046,417.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,876,073,948.92 : 109,318,907,428.56 = 19,094,526,445.32 : x
  2. Step 2: Convert to fraction form
    72,876,073,948.92/109,318,907,428.56 = 19,094,526,445.32/x
  3. Step 3: Cross multiply
    72,876,073,948.92x = 109,318,907,428.56 × 19,094,526,445.32
  4. Step 4: Simplify right side
    72,876,073,948.92x = 2,087,392,768,868,127,866,880
  5. Step 5: Solve for x
    x = 2,087,392,768,868,127,866,880/72,876,073,948.92
  6. Step 6: Final answer
    x = 28,643,046,417.83

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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.