Home / 42,768,023.10-64,152,034.65-18,880,151.10

Finding the Fourth Proportional to 42,768,023.10, 64,152,034.65 and 18,880,151.10

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Solution

The fourth proportional to 42,768,023.10, 64,152,034.65 and 18,880,151.10 is: 28,320,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,023.10 : 64,152,034.65 = 18,880,151.10 : x
  2. Step 2: Convert to fraction form
    42,768,023.10/64,152,034.65 = 18,880,151.10/x
  3. Step 3: Cross multiply
    42,768,023.10x = 64,152,034.65 × 18,880,151.10
  4. Step 4: Simplify right side
    42,768,023.10x = 1,211,200,107,564,435.75
  5. Step 5: Solve for x
    x = 1,211,200,107,564,435.75/42,768,023.10
  6. Step 6: Final answer
    x = 28,320,226.65

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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.