Home / 111,258,636.90-166,772,809.80-49,877,201.40

Finding the Fourth Proportional to 111,258,636.90, 166,772,809.80 and 49,877,201.40

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Solution

The fourth proportional to 111,258,636.90, 166,772,809.80 and 49,877,201.40 is: 74,764,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,258,636.90 : 166,772,809.80 = 49,877,201.40 : x
  2. Step 2: Convert to fraction form
    111,258,636.90/166,772,809.80 = 49,877,201.40/x
  3. Step 3: Cross multiply
    111,258,636.90x = 166,772,809.80 × 49,877,201.40
  4. Step 4: Simplify right side
    111,258,636.90x = 8,318,161,022,438,494
  5. Step 5: Solve for x
    x = 8,318,161,022,438,494/111,258,636.90
  6. Step 6: Final answer
    x = 74,764,182.40

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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.