Home / 127,804,236.30-191,594,380.05-76,706,585.10

Finding the Fourth Proportional to 127,804,236.30, 191,594,380.05 and 76,706,585.10

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Solution

The fourth proportional to 127,804,236.30, 191,594,380.05 and 76,706,585.10 is: 114,992,671.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,804,236.30 : 191,594,380.05 = 76,706,585.10 : x
  2. Step 2: Convert to fraction form
    127,804,236.30/191,594,380.05 = 76,706,585.10/x
  3. Step 3: Cross multiply
    127,804,236.30x = 191,594,380.05 × 76,706,585.10
  4. Step 4: Simplify right side
    127,804,236.30x = 14,696,550,617,987,068
  5. Step 5: Solve for x
    x = 14,696,550,617,987,068/127,804,236.30
  6. Step 6: Final answer
    x = 114,992,671.94

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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.