Home / 127,503,821.20-190,936,867.20-101,994,653.20

Finding the Fourth Proportional to 127,503,821.20, 190,936,867.20 and 101,994,653.20

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Solution

The fourth proportional to 127,503,821.20, 190,936,867.20 and 101,994,653.20 is: 152,736,909.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,503,821.20 : 190,936,867.20 = 101,994,653.20 : x
  2. Step 2: Convert to fraction form
    127,503,821.20/190,936,867.20 = 101,994,653.20/x
  3. Step 3: Cross multiply
    127,503,821.20x = 190,936,867.20 × 101,994,653.20
  4. Step 4: Simplify right side
    127,503,821.20x = 19,474,539,553,158,456
  5. Step 5: Solve for x
    x = 19,474,539,553,158,456/127,503,821.20
  6. Step 6: Final answer
    x = 152,736,909.14

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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.