Home / 130,942,876.50-196,447,677.45-38,829,979.44

Finding the Fourth Proportional to 130,942,876.50, 196,447,677.45 and 38,829,979.44

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Solution

The fourth proportional to 130,942,876.50, 196,447,677.45 and 38,829,979.44 is: 58,254,862.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,942,876.50 : 196,447,677.45 = 38,829,979.44 : x
  2. Step 2: Convert to fraction form
    130,942,876.50/196,447,677.45 = 38,829,979.44/x
  3. Step 3: Cross multiply
    130,942,876.50x = 196,447,677.45 × 38,829,979.44
  4. Step 4: Simplify right side
    130,942,876.50x = 7,628,059,276,419,251
  5. Step 5: Solve for x
    x = 7,628,059,276,419,251/130,942,876.50
  6. Step 6: Final answer
    x = 58,254,862.58

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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.