Home / 42,683,321.60-64,024,982.40-40,219,884.80

Finding the Fourth Proportional to 42,683,321.60, 64,024,982.40 and 40,219,884.80

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Solution

The fourth proportional to 42,683,321.60, 64,024,982.40 and 40,219,884.80 is: 60,329,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,683,321.60 : 64,024,982.40 = 40,219,884.80 : x
  2. Step 2: Convert to fraction form
    42,683,321.60/64,024,982.40 = 40,219,884.80/x
  3. Step 3: Cross multiply
    42,683,321.60x = 64,024,982.40 × 40,219,884.80
  4. Step 4: Simplify right side
    42,683,321.60x = 2,575,077,416,450,027.50
  5. Step 5: Solve for x
    x = 2,575,077,416,450,027.50/42,683,321.60
  6. Step 6: Final answer
    x = 60,329,827.20

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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.