Home / 85,389,537.61-127,950,183.78-66,006,258.67

Finding the Fourth Proportional to 85,389,537.61, 127,950,183.78 and 66,006,258.67

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Solution

The fourth proportional to 85,389,537.61, 127,950,183.78 and 66,006,258.67 is: 98,905,710.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,389,537.61 : 127,950,183.78 = 66,006,258.67 : x
  2. Step 2: Convert to fraction form
    85,389,537.61/127,950,183.78 = 66,006,258.67/x
  3. Step 3: Cross multiply
    85,389,537.61x = 127,950,183.78 × 66,006,258.67
  4. Step 4: Simplify right side
    85,389,537.61x = 8,445,512,927,456,719
  5. Step 5: Solve for x
    x = 8,445,512,927,456,719/85,389,537.61
  6. Step 6: Final answer
    x = 98,905,710.98

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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.