Home / 191,674,255.50-287,396,303.28-87,913,483.92

Finding the Fourth Proportional to 191,674,255.50, 287,396,303.28 and 87,913,483.92

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Solution

The fourth proportional to 191,674,255.50, 287,396,303.28 and 87,913,483.92 is: 131,817,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,674,255.50 : 287,396,303.28 = 87,913,483.92 : x
  2. Step 2: Convert to fraction form
    191,674,255.50/287,396,303.28 = 87,913,483.92/x
  3. Step 3: Cross multiply
    191,674,255.50x = 287,396,303.28 × 87,913,483.92
  4. Step 4: Simplify right side
    191,674,255.50x = 25,266,010,287,073,720
  5. Step 5: Solve for x
    x = 25,266,010,287,073,720/191,674,255.50
  6. Step 6: Final answer
    x = 131,817,443.20

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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.