Home / 42,009,859.70-63,014,789.55-10,097,155.70

Finding the Fourth Proportional to 42,009,859.70, 63,014,789.55 and 10,097,155.70

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Solution

The fourth proportional to 42,009,859.70, 63,014,789.55 and 10,097,155.70 is: 15,145,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009,859.70 : 63,014,789.55 = 10,097,155.70 : x
  2. Step 2: Convert to fraction form
    42,009,859.70/63,014,789.55 = 10,097,155.70/x
  3. Step 3: Cross multiply
    42,009,859.70x = 63,014,789.55 × 10,097,155.70
  4. Step 4: Simplify right side
    42,009,859.70x = 636,270,141,489,082.88
  5. Step 5: Solve for x
    x = 636,270,141,489,082.88/42,009,859.70
  6. Step 6: Final answer
    x = 15,145,733.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.