Home / 127,803,951.90-191,510,835.30-75,886,314.21

Finding the Fourth Proportional to 127,803,951.90, 191,510,835.30 and 75,886,314.21

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Solution

The fourth proportional to 127,803,951.90, 191,510,835.30 and 75,886,314.21 is: 113,713,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,803,951.90 : 191,510,835.30 = 75,886,314.21 : x
  2. Step 2: Convert to fraction form
    127,803,951.90/191,510,835.30 = 75,886,314.21/x
  3. Step 3: Cross multiply
    127,803,951.90x = 191,510,835.30 × 75,886,314.21
  4. Step 4: Simplify right side
    127,803,951.90x = 14,533,051,422,195,360
  5. Step 5: Solve for x
    x = 14,533,051,422,195,360/127,803,951.90
  6. Step 6: Final answer
    x = 113,713,630.96

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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.