Home / 73,602,290.82-101,571,856.02-40,563,748.38

Finding the Fourth Proportional to 73,602,290.82, 101,571,856.02 and 40,563,748.38

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Solution

The fourth proportional to 73,602,290.82, 101,571,856.02 and 40,563,748.38 is: 55,978,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,602,290.82 : 101,571,856.02 = 40,563,748.38 : x
  2. Step 2: Convert to fraction form
    73,602,290.82/101,571,856.02 = 40,563,748.38/x
  3. Step 3: Cross multiply
    73,602,290.82x = 101,571,856.02 × 40,563,748.38
  4. Step 4: Simplify right side
    73,602,290.82x = 4,120,135,210,084,868.50
  5. Step 5: Solve for x
    x = 4,120,135,210,084,868.50/73,602,290.82
  6. Step 6: Final answer
    x = 55,978,355.62

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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.