Home / 191,674,154.25-287,396,151.44-87,913,382.67

Finding the Fourth Proportional to 191,674,154.25, 287,396,151.44 and 87,913,382.67

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Solution

The fourth proportional to 191,674,154.25, 287,396,151.44 and 87,913,382.67 is: 131,817,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,674,154.25 : 287,396,151.44 = 87,913,382.67 : x
  2. Step 2: Convert to fraction form
    191,674,154.25/287,396,151.44 = 87,913,382.67/x
  3. Step 3: Cross multiply
    191,674,154.25x = 287,396,151.44 × 87,913,382.67
  4. Step 4: Simplify right side
    191,674,154.25x = 25,265,967,838,990,424
  5. Step 5: Solve for x
    x = 25,265,967,838,990,424/191,674,154.25
  6. Step 6: Final answer
    x = 131,817,291.37

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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.