Home / 127,826,163.80-191,739,245.70-88,712,106.20

Finding the Fourth Proportional to 127,826,163.80, 191,739,245.70 and 88,712,106.20

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Solution

The fourth proportional to 127,826,163.80, 191,739,245.70 and 88,712,106.20 is: 133,068,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,826,163.80 : 191,739,245.70 = 88,712,106.20 : x
  2. Step 2: Convert to fraction form
    127,826,163.80/191,739,245.70 = 88,712,106.20/x
  3. Step 3: Cross multiply
    127,826,163.80x = 191,739,245.70 × 88,712,106.20
  4. Step 4: Simplify right side
    127,826,163.80x = 17,009,592,327,246,292
  5. Step 5: Solve for x
    x = 17,009,592,327,246,292/127,826,163.80
  6. Step 6: Final answer
    x = 133,068,159.30

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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.