Home / 127,803,957.53-191,510,843.72-75,886,319.84

Finding the Fourth Proportional to 127,803,957.53, 191,510,843.72 and 75,886,319.84

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Solution

The fourth proportional to 127,803,957.53, 191,510,843.72 and 75,886,319.84 is: 113,713,639.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,803,957.53 : 191,510,843.72 = 75,886,319.84 : x
  2. Step 2: Convert to fraction form
    127,803,957.53/191,510,843.72 = 75,886,319.84/x
  3. Step 3: Cross multiply
    127,803,957.53x = 191,510,843.72 × 75,886,319.84
  4. Step 4: Simplify right side
    127,803,957.53x = 14,533,053,138,027,188
  5. Step 5: Solve for x
    x = 14,533,053,138,027,188/127,803,957.53
  6. Step 6: Final answer
    x = 113,713,639.39

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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.