Home / 191,001,016.70-286,501,525.05-68,238,145.70

Finding the Fourth Proportional to 191,001,016.70, 286,501,525.05 and 68,238,145.70

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Solution

The fourth proportional to 191,001,016.70, 286,501,525.05 and 68,238,145.70 is: 102,357,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,001,016.70 : 286,501,525.05 = 68,238,145.70 : x
  2. Step 2: Convert to fraction form
    191,001,016.70/286,501,525.05 = 68,238,145.70/x
  3. Step 3: Cross multiply
    191,001,016.70x = 286,501,525.05 × 68,238,145.70
  4. Step 4: Simplify right side
    191,001,016.70x = 19,550,332,809,634,100
  5. Step 5: Solve for x
    x = 19,550,332,809,634,100/191,001,016.70
  6. Step 6: Final answer
    x = 102,357,218.55

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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.