Home / 127,539,244.80-191,308,867.20-83,701,267.20

Finding the Fourth Proportional to 127,539,244.80, 191,308,867.20 and 83,701,267.20

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Solution

The fourth proportional to 127,539,244.80, 191,308,867.20 and 83,701,267.20 is: 125,551,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,539,244.80 : 191,308,867.20 = 83,701,267.20 : x
  2. Step 2: Convert to fraction form
    127,539,244.80/191,308,867.20 = 83,701,267.20/x
  3. Step 3: Cross multiply
    127,539,244.80x = 191,308,867.20 × 83,701,267.20
  4. Step 4: Simplify right side
    127,539,244.80x = 16,012,794,611,236,516
  5. Step 5: Solve for x
    x = 16,012,794,611,236,516/127,539,244.80
  6. Step 6: Final answer
    x = 125,551,900.80

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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.