Home / 74,210,856.11-102,410,941.82-40,720,555.10

Finding the Fourth Proportional to 74,210,856.11, 102,410,941.82 and 40,720,555.10

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Solution

The fourth proportional to 74,210,856.11, 102,410,941.82 and 40,720,555.10 is: 56,194,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,210,856.11 : 102,410,941.82 = 40,720,555.10 : x
  2. Step 2: Convert to fraction form
    74,210,856.11/102,410,941.82 = 40,720,555.10/x
  3. Step 3: Cross multiply
    74,210,856.11x = 102,410,941.82 × 40,720,555.10
  4. Step 4: Simplify right side
    74,210,856.11x = 4,170,230,399,276,628.50
  5. Step 5: Solve for x
    x = 4,170,230,399,276,628.50/74,210,856.11
  6. Step 6: Final answer
    x = 56,194,344.30

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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.