Home / 227,502,534,993.72-313,834,470,127.64-140,667,346,979.12

Finding the Fourth Proportional to 227,502,534,993.72, 313,834,470,127.64 and 140,667,346,979.12

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Solution

The fourth proportional to 227,502,534,993.72, 313,834,470,127.64 and 140,667,346,979.12 is: 194,047,342,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,502,534,993.72 : 313,834,470,127.64 = 140,667,346,979.12 : x
  2. Step 2: Convert to fraction form
    227,502,534,993.72/313,834,470,127.64 = 140,667,346,979.12/x
  3. Step 3: Cross multiply
    227,502,534,993.72x = 313,834,470,127.64 × 140,667,346,979.12
  4. Step 4: Simplify right side
    227,502,534,993.72x = 44,146,262,303,453,009,149,952
  5. Step 5: Solve for x
    x = 44,146,262,303,453,009,149,952/227,502,534,993.72
  6. Step 6: Final answer
    x = 194,047,342,394.10

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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.