Home / 191,001,040.20-286,501,560.30-68,238,169.20

Finding the Fourth Proportional to 191,001,040.20, 286,501,560.30 and 68,238,169.20

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Solution

The fourth proportional to 191,001,040.20, 286,501,560.30 and 68,238,169.20 is: 102,357,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,001,040.20 : 286,501,560.30 = 68,238,169.20 : x
  2. Step 2: Convert to fraction form
    191,001,040.20/286,501,560.30 = 68,238,169.20/x
  3. Step 3: Cross multiply
    191,001,040.20x = 286,501,560.30 × 68,238,169.20
  4. Step 4: Simplify right side
    191,001,040.20x = 19,550,341,947,815,404
  5. Step 5: Solve for x
    x = 19,550,341,947,815,404/191,001,040.20
  6. Step 6: Final answer
    x = 102,357,253.80

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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.