Home / 42,768,004.20-64,152,006.30-40,248,580.20

Finding the Fourth Proportional to 42,768,004.20, 64,152,006.30 and 40,248,580.20

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Solution

The fourth proportional to 42,768,004.20, 64,152,006.30 and 40,248,580.20 is: 60,372,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,004.20 : 64,152,006.30 = 40,248,580.20 : x
  2. Step 2: Convert to fraction form
    42,768,004.20/64,152,006.30 = 40,248,580.20/x
  3. Step 3: Cross multiply
    42,768,004.20x = 64,152,006.30 × 40,248,580.20
  4. Step 4: Simplify right side
    42,768,004.20x = 2,582,027,170,556,455.50
  5. Step 5: Solve for x
    x = 2,582,027,170,556,455.50/42,768,004.20
  6. Step 6: Final answer
    x = 60,372,870.30

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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.