Home / 42,768,313.70-64,152,470.55-41,918,008.10

Finding the Fourth Proportional to 42,768,313.70, 64,152,470.55 and 41,918,008.10

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Solution

The fourth proportional to 42,768,313.70, 64,152,470.55 and 41,918,008.10 is: 62,877,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,313.70 : 64,152,470.55 = 41,918,008.10 : x
  2. Step 2: Convert to fraction form
    42,768,313.70/64,152,470.55 = 41,918,008.10/x
  3. Step 3: Cross multiply
    42,768,313.70x = 64,152,470.55 × 41,918,008.10
  4. Step 4: Simplify right side
    42,768,313.70x = 2,689,143,780,149,911.50
  5. Step 5: Solve for x
    x = 2,689,143,780,149,911.50/42,768,313.70
  6. Step 6: Final answer
    x = 62,877,012.15

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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.