Home / 79,035,087.20-118,627,280.40-48,801,999.20

Finding the Fourth Proportional to 79,035,087.20, 118,627,280.40 and 48,801,999.20

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Solution

The fourth proportional to 79,035,087.20, 118,627,280.40 and 48,801,999.20 is: 73,249,092.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,035,087.20 : 118,627,280.40 = 48,801,999.20 : x
  2. Step 2: Convert to fraction form
    79,035,087.20/118,627,280.40 = 48,801,999.20/x
  3. Step 3: Cross multiply
    79,035,087.20x = 118,627,280.40 × 48,801,999.20
  4. Step 4: Simplify right side
    79,035,087.20x = 5,789,248,443,178,976
  5. Step 5: Solve for x
    x = 5,789,248,443,178,976/79,035,087.20
  6. Step 6: Final answer
    x = 73,249,092.88

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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.