Home / 130,942,877-196,447,678.20-38,829,979.94

Finding the Fourth Proportional to 130,942,877, 196,447,678.20 and 38,829,979.94

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Solution

The fourth proportional to 130,942,877, 196,447,678.20 and 38,829,979.94 is: 58,254,863.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,942,877 : 196,447,678.20 = 38,829,979.94 : x
  2. Step 2: Convert to fraction form
    130,942,877/196,447,678.20 = 38,829,979.94/x
  3. Step 3: Cross multiply
    130,942,877x = 196,447,678.20 × 38,829,979.94
  4. Step 4: Simplify right side
    130,942,877x = 7,628,059,403,765,574
  5. Step 5: Solve for x
    x = 7,628,059,403,765,574/130,942,877
  6. Step 6: Final answer
    x = 58,254,863.33

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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.