Home / 130,825,555.14-180,543,117.20-72,092,003.67

Finding the Fourth Proportional to 130,825,555.14, 180,543,117.20 and 72,092,003.67

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Solution

The fourth proportional to 130,825,555.14, 180,543,117.20 and 72,092,003.67 is: 99,489,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,825,555.14 : 180,543,117.20 = 72,092,003.67 : x
  2. Step 2: Convert to fraction form
    130,825,555.14/180,543,117.20 = 72,092,003.67/x
  3. Step 3: Cross multiply
    130,825,555.14x = 180,543,117.20 × 72,092,003.67
  4. Step 4: Simplify right side
    130,825,555.14x = 13,015,715,067,415,180
  5. Step 5: Solve for x
    x = 13,015,715,067,415,180/130,825,555.14
  6. Step 6: Final answer
    x = 99,489,087.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.