Home / 140,307,687,013.29-193,628,415,325.62-79,349,169,911.46

Finding the Fourth Proportional to 140,307,687,013.29, 193,628,415,325.62 and 79,349,169,911.46

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Solution

The fourth proportional to 140,307,687,013.29, 193,628,415,325.62 and 79,349,169,911.46 is: 109,504,007,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,307,687,013.29 : 193,628,415,325.62 = 79,349,169,911.46 : x
  2. Step 2: Convert to fraction form
    140,307,687,013.29/193,628,415,325.62 = 79,349,169,911.46/x
  3. Step 3: Cross multiply
    140,307,687,013.29x = 193,628,415,325.62 × 79,349,169,911.46
  4. Step 4: Simplify right side
    140,307,687,013.29x = 15,364,254,027,359,367,200,768
  5. Step 5: Solve for x
    x = 15,364,254,027,359,367,200,768/140,307,687,013.29
  6. Step 6: Final answer
    x = 109,504,007,616.52

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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.