Home / 57,193,064.56-78,926,989.84-31,087,566.24

Finding the Fourth Proportional to 57,193,064.56, 78,926,989.84 and 31,087,566.24

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Solution

The fourth proportional to 57,193,064.56, 78,926,989.84 and 31,087,566.24 is: 42,901,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,193,064.56 : 78,926,989.84 = 31,087,566.24 : x
  2. Step 2: Convert to fraction form
    57,193,064.56/78,926,989.84 = 31,087,566.24/x
  3. Step 3: Cross multiply
    57,193,064.56x = 78,926,989.84 × 31,087,566.24
  4. Step 4: Simplify right side
    57,193,064.56x = 2,453,648,024,774,807
  5. Step 5: Solve for x
    x = 2,453,648,024,774,807/57,193,064.56
  6. Step 6: Final answer
    x = 42,901,146.21

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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.