Home / 31,140,475.35-42,973,023.40-17,201,530.46

Finding the Fourth Proportional to 31,140,475.35, 42,973,023.40 and 17,201,530.46

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Solution

The fourth proportional to 31,140,475.35, 42,973,023.40 and 17,201,530.46 is: 23,737,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,140,475.35 : 42,973,023.40 = 17,201,530.46 : x
  2. Step 2: Convert to fraction form
    31,140,475.35/42,973,023.40 = 17,201,530.46/x
  3. Step 3: Cross multiply
    31,140,475.35x = 42,973,023.40 × 17,201,530.46
  4. Step 4: Simplify right side
    31,140,475.35x = 739,201,770,973,392.75
  5. Step 5: Solve for x
    x = 739,201,770,973,392.75/31,140,475.35
  6. Step 6: Final answer
    x = 23,737,652.13

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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.