Home / 57,121,357.92-78,808,007.52-36,506,696.64

Finding the Fourth Proportional to 57,121,357.92, 78,808,007.52 and 36,506,696.64

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Solution

The fourth proportional to 57,121,357.92, 78,808,007.52 and 36,506,696.64 is: 50,366,800.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,121,357.92 : 78,808,007.52 = 36,506,696.64 : x
  2. Step 2: Convert to fraction form
    57,121,357.92/78,808,007.52 = 36,506,696.64/x
  3. Step 3: Cross multiply
    57,121,357.92x = 78,808,007.52 × 36,506,696.64
  4. Step 4: Simplify right side
    57,121,357.92x = 2,877,020,023,335,478.50
  5. Step 5: Solve for x
    x = 2,877,020,023,335,478.50/57,121,357.92
  6. Step 6: Final answer
    x = 50,366,800.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.