Home / 102,147,687.60-153,221,531.40-89,393,103.60

Finding the Fourth Proportional to 102,147,687.60, 153,221,531.40 and 89,393,103.60

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Solution

The fourth proportional to 102,147,687.60, 153,221,531.40 and 89,393,103.60 is: 134,089,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,147,687.60 : 153,221,531.40 = 89,393,103.60 : x
  2. Step 2: Convert to fraction form
    102,147,687.60/153,221,531.40 = 89,393,103.60/x
  3. Step 3: Cross multiply
    102,147,687.60x = 153,221,531.40 × 89,393,103.60
  4. Step 4: Simplify right side
    102,147,687.60x = 13,696,948,230,190,852
  5. Step 5: Solve for x
    x = 13,696,948,230,190,852/102,147,687.60
  6. Step 6: Final answer
    x = 134,089,655.40

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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.