Home / 133,437,108.60-199,987,701.30-118,320,564.60

Finding the Fourth Proportional to 133,437,108.60, 199,987,701.30 and 118,320,564.60

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Solution

The fourth proportional to 133,437,108.60, 199,987,701.30 and 118,320,564.60 is: 177,331,912.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,437,108.60 : 199,987,701.30 = 118,320,564.60 : x
  2. Step 2: Convert to fraction form
    133,437,108.60/199,987,701.30 = 118,320,564.60/x
  3. Step 3: Cross multiply
    133,437,108.60x = 199,987,701.30 × 118,320,564.60
  4. Step 4: Simplify right side
    133,437,108.60x = 23,662,657,730,872,156
  5. Step 5: Solve for x
    x = 23,662,657,730,872,156/133,437,108.60
  6. Step 6: Final answer
    x = 177,331,912.98

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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.