Home / 42,768,311.60-64,026,496.20-40,276,881.20

Finding the Fourth Proportional to 42,768,311.60, 64,026,496.20 and 40,276,881.20

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Solution

The fourth proportional to 42,768,311.60, 64,026,496.20 and 40,276,881.20 is: 60,296,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,311.60 : 64,026,496.20 = 40,276,881.20 : x
  2. Step 2: Convert to fraction form
    42,768,311.60/64,026,496.20 = 40,276,881.20/x
  3. Step 3: Cross multiply
    42,768,311.60x = 64,026,496.20 × 40,276,881.20
  4. Step 4: Simplify right side
    42,768,311.60x = 2,578,787,581,099,652
  5. Step 5: Solve for x
    x = 2,578,787,581,099,652/42,768,311.60
  6. Step 6: Final answer
    x = 60,296,688.94

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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.