Home / 73,009,206.40-109,513,809.60-44,287,772.80

Finding the Fourth Proportional to 73,009,206.40, 109,513,809.60 and 44,287,772.80

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Solution

The fourth proportional to 73,009,206.40, 109,513,809.60 and 44,287,772.80 is: 66,431,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,009,206.40 : 109,513,809.60 = 44,287,772.80 : x
  2. Step 2: Convert to fraction form
    73,009,206.40/109,513,809.60 = 44,287,772.80/x
  3. Step 3: Cross multiply
    73,009,206.40x = 109,513,809.60 × 44,287,772.80
  4. Step 4: Simplify right side
    73,009,206.40x = 4,850,122,718,027,258
  5. Step 5: Solve for x
    x = 4,850,122,718,027,258/73,009,206.40
  6. Step 6: Final answer
    x = 66,431,659.20

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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.