Home / 57,202,935.23-78,936,698.45-31,097,224.70

Finding the Fourth Proportional to 57,202,935.23, 78,936,698.45 and 31,097,224.70

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Solution

The fourth proportional to 57,202,935.23, 78,936,698.45 and 31,097,224.70 is: 42,912,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,202,935.23 : 78,936,698.45 = 31,097,224.70 : x
  2. Step 2: Convert to fraction form
    57,202,935.23/78,936,698.45 = 31,097,224.70/x
  3. Step 3: Cross multiply
    57,202,935.23x = 78,936,698.45 × 31,097,224.70
  4. Step 4: Simplify right side
    57,202,935.23x = 2,454,712,249,050,876.50
  5. Step 5: Solve for x
    x = 2,454,712,249,050,876.50/57,202,935.23
  6. Step 6: Final answer
    x = 42,912,347.76

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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.