Home / 88,409,798.46-121,121,856.04-85,096,220.36

Finding the Fourth Proportional to 88,409,798.46, 121,121,856.04 and 85,096,220.36

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Solution

The fourth proportional to 88,409,798.46, 121,121,856.04 and 85,096,220.36 is: 116,582,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,409,798.46 : 121,121,856.04 = 85,096,220.36 : x
  2. Step 2: Convert to fraction form
    88,409,798.46/121,121,856.04 = 85,096,220.36/x
  3. Step 3: Cross multiply
    88,409,798.46x = 121,121,856.04 × 85,096,220.36
  4. Step 4: Simplify right side
    88,409,798.46x = 10,307,012,151,992,038
  5. Step 5: Solve for x
    x = 10,307,012,151,992,038/88,409,798.46
  6. Step 6: Final answer
    x = 116,582,237.85

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.