Home / 42,768,014.70-64,152,022.05-41,917,709.10

Finding the Fourth Proportional to 42,768,014.70, 64,152,022.05 and 41,917,709.10

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Solution

The fourth proportional to 42,768,014.70, 64,152,022.05 and 41,917,709.10 is: 62,876,563.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,014.70 : 64,152,022.05 = 41,917,709.10 : x
  2. Step 2: Convert to fraction form
    42,768,014.70/64,152,022.05 = 41,917,709.10/x
  3. Step 3: Cross multiply
    42,768,014.70x = 64,152,022.05 × 41,917,709.10
  4. Step 4: Simplify right side
    42,768,014.70x = 2,689,105,798,468,685.50
  5. Step 5: Solve for x
    x = 2,689,105,798,468,685.50/42,768,014.70
  6. Step 6: Final answer
    x = 62,876,563.65

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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.