Home / 131,066,025.57-180,875,459.61-71,530,581.78

Finding the Fourth Proportional to 131,066,025.57, 180,875,459.61 and 71,530,581.78

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Solution

The fourth proportional to 131,066,025.57, 180,875,459.61 and 71,530,581.78 is: 98,714,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,066,025.57 : 180,875,459.61 = 71,530,581.78 : x
  2. Step 2: Convert to fraction form
    131,066,025.57/180,875,459.61 = 71,530,581.78/x
  3. Step 3: Cross multiply
    131,066,025.57x = 180,875,459.61 × 71,530,581.78
  4. Step 4: Simplify right side
    131,066,025.57x = 12,938,126,855,628,194
  5. Step 5: Solve for x
    x = 12,938,126,855,628,194/131,066,025.57
  6. Step 6: Final answer
    x = 98,714,573.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.