Home / 127,906,404.60-191,859,606.90-88,939,313.40

Finding the Fourth Proportional to 127,906,404.60, 191,859,606.90 and 88,939,313.40

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Solution

The fourth proportional to 127,906,404.60, 191,859,606.90 and 88,939,313.40 is: 133,408,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,906,404.60 : 191,859,606.90 = 88,939,313.40 : x
  2. Step 2: Convert to fraction form
    127,906,404.60/191,859,606.90 = 88,939,313.40/x
  3. Step 3: Cross multiply
    127,906,404.60x = 191,859,606.90 × 88,939,313.40
  4. Step 4: Simplify right side
    127,906,404.60x = 17,063,861,706,879,904
  5. Step 5: Solve for x
    x = 17,063,861,706,879,904/127,906,404.60
  6. Step 6: Final answer
    x = 133,408,970.10

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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.