Home / 164,878,731.20-247,318,096.80-43,722,430.40

Finding the Fourth Proportional to 164,878,731.20, 247,318,096.80 and 43,722,430.40

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Solution

The fourth proportional to 164,878,731.20, 247,318,096.80 and 43,722,430.40 is: 65,583,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,878,731.20 : 247,318,096.80 = 43,722,430.40 : x
  2. Step 2: Convert to fraction form
    164,878,731.20/247,318,096.80 = 43,722,430.40/x
  3. Step 3: Cross multiply
    164,878,731.20x = 247,318,096.80 × 43,722,430.40
  4. Step 4: Simplify right side
    164,878,731.20x = 10,813,348,273,998,462
  5. Step 5: Solve for x
    x = 10,813,348,273,998,462/164,878,731.20
  6. Step 6: Final answer
    x = 65,583,645.60

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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.