Home / 130,825,566.46-180,543,132.78-72,092,014.96

Finding the Fourth Proportional to 130,825,566.46, 180,543,132.78 and 72,092,014.96

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Solution

The fourth proportional to 130,825,566.46, 180,543,132.78 and 72,092,014.96 is: 99,489,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,825,566.46 : 180,543,132.78 = 72,092,014.96 : x
  2. Step 2: Convert to fraction form
    130,825,566.46/180,543,132.78 = 72,092,014.96/x
  3. Step 3: Cross multiply
    130,825,566.46x = 180,543,132.78 × 72,092,014.96
  4. Step 4: Simplify right side
    130,825,566.46x = 13,015,718,229,301,026
  5. Step 5: Solve for x
    x = 13,015,718,229,301,026/130,825,566.46
  6. Step 6: Final answer
    x = 99,489,102.79

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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.