Home / 131,688,110.70-197,532,166.05-83,008,115.10

Finding the Fourth Proportional to 131,688,110.70, 197,532,166.05 and 83,008,115.10

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Solution

The fourth proportional to 131,688,110.70, 197,532,166.05 and 83,008,115.10 is: 124,512,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,688,110.70 : 197,532,166.05 = 83,008,115.10 : x
  2. Step 2: Convert to fraction form
    131,688,110.70/197,532,166.05 = 83,008,115.10/x
  3. Step 3: Cross multiply
    131,688,110.70x = 197,532,166.05 × 83,008,115.10
  4. Step 4: Simplify right side
    131,688,110.70x = 16,396,772,775,430,712
  5. Step 5: Solve for x
    x = 16,396,772,775,430,712/131,688,110.70
  6. Step 6: Final answer
    x = 124,512,172.65

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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.