Home / 57,531,420.56-79,393,357.32-31,069,772.16

Finding the Fourth Proportional to 57,531,420.56, 79,393,357.32 and 31,069,772.16

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Solution

The fourth proportional to 57,531,420.56, 79,393,357.32 and 31,069,772.16 is: 42,876,283.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,531,420.56 : 79,393,357.32 = 31,069,772.16 : x
  2. Step 2: Convert to fraction form
    57,531,420.56/79,393,357.32 = 31,069,772.16/x
  3. Step 3: Cross multiply
    57,531,420.56x = 79,393,357.32 × 31,069,772.16
  4. Step 4: Simplify right side
    57,531,420.56x = 2,466,733,522,949,868
  5. Step 5: Solve for x
    x = 2,466,733,522,949,868/57,531,420.56
  6. Step 6: Final answer
    x = 42,876,283.93

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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.