Home / 80,424,002.60-120,636,003.90-57,749,186.60

Finding the Fourth Proportional to 80,424,002.60, 120,636,003.90 and 57,749,186.60

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Solution

The fourth proportional to 80,424,002.60, 120,636,003.90 and 57,749,186.60 is: 86,623,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,424,002.60 : 120,636,003.90 = 57,749,186.60 : x
  2. Step 2: Convert to fraction form
    80,424,002.60/120,636,003.90 = 57,749,186.60/x
  3. Step 3: Cross multiply
    80,424,002.60x = 120,636,003.90 × 57,749,186.60
  4. Step 4: Simplify right side
    80,424,002.60x = 6,966,631,099,899,428
  5. Step 5: Solve for x
    x = 6,966,631,099,899,428/80,424,002.60
  6. Step 6: Final answer
    x = 86,623,779.90

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1.5x scale

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.