Home / 108,645,332.60-162,967,998.90-83,136,164.60

Finding the Fourth Proportional to 108,645,332.60, 162,967,998.90 and 83,136,164.60

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Solution

The fourth proportional to 108,645,332.60, 162,967,998.90 and 83,136,164.60 is: 124,704,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,645,332.60 : 162,967,998.90 = 83,136,164.60 : x
  2. Step 2: Convert to fraction form
    108,645,332.60/162,967,998.90 = 83,136,164.60/x
  3. Step 3: Cross multiply
    108,645,332.60x = 162,967,998.90 × 83,136,164.60
  4. Step 4: Simplify right side
    108,645,332.60x = 13,548,534,381,083,018
  5. Step 5: Solve for x
    x = 13,548,534,381,083,018/108,645,332.60
  6. Step 6: Final answer
    x = 124,704,246.90

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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.