Home / 57,129,036.59-78,837,823.99-31,023,339.23

Finding the Fourth Proportional to 57,129,036.59, 78,837,823.99 and 31,023,339.23

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Solution

The fourth proportional to 57,129,036.59, 78,837,823.99 and 31,023,339.23 is: 42,812,074.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,129,036.59 : 78,837,823.99 = 31,023,339.23 : x
  2. Step 2: Convert to fraction form
    57,129,036.59/78,837,823.99 = 31,023,339.23/x
  3. Step 3: Cross multiply
    57,129,036.59x = 78,837,823.99 × 31,023,339.23
  4. Step 4: Simplify right side
    57,129,036.59x = 2,445,812,557,796,802
  5. Step 5: Solve for x
    x = 2,445,812,557,796,802/57,129,036.59
  6. Step 6: Final answer
    x = 42,812,074.28

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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.