Home / 42,768,711.60-64,027,096.20-40,277,281.20

Finding the Fourth Proportional to 42,768,711.60, 64,027,096.20 and 40,277,281.20

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Solution

The fourth proportional to 42,768,711.60, 64,027,096.20 and 40,277,281.20 is: 60,297,288.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,711.60 : 64,027,096.20 = 40,277,281.20 : x
  2. Step 2: Convert to fraction form
    42,768,711.60/64,027,096.20 = 40,277,281.20/x
  3. Step 3: Cross multiply
    42,768,711.60x = 64,027,096.20 × 40,277,281.20
  4. Step 4: Simplify right side
    42,768,711.60x = 2,578,837,358,066,852
  5. Step 5: Solve for x
    x = 2,578,837,358,066,852/42,768,711.60
  6. Step 6: Final answer
    x = 60,297,288.87

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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.