Home / 127,864,264.40-191,512,961.40-76,845,928.40

Finding the Fourth Proportional to 127,864,264.40, 191,512,961.40 and 76,845,928.40

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Solution

The fourth proportional to 127,864,264.40, 191,512,961.40 and 76,845,928.40 is: 115,098,549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,864,264.40 : 191,512,961.40 = 76,845,928.40 : x
  2. Step 2: Convert to fraction form
    127,864,264.40/191,512,961.40 = 76,845,928.40/x
  3. Step 3: Cross multiply
    127,864,264.40x = 191,512,961.40 × 76,845,928.40
  4. Step 4: Simplify right side
    127,864,264.40x = 14,716,991,319,416,366
  5. Step 5: Solve for x
    x = 14,716,991,319,416,366/127,864,264.40
  6. Step 6: Final answer
    x = 115,098,549.14

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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.