Home / 210,630,423.56-315,959,498.48-55,188,037.76

Finding the Fourth Proportional to 210,630,423.56, 315,959,498.48 and 55,188,037.76

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Solution

The fourth proportional to 210,630,423.56, 315,959,498.48 and 55,188,037.76 is: 82,785,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,630,423.56 : 315,959,498.48 = 55,188,037.76 : x
  2. Step 2: Convert to fraction form
    210,630,423.56/315,959,498.48 = 55,188,037.76/x
  3. Step 3: Cross multiply
    210,630,423.56x = 315,959,498.48 × 55,188,037.76
  4. Step 4: Simplify right side
    210,630,423.56x = 17,437,184,732,744,902
  5. Step 5: Solve for x
    x = 17,437,184,732,744,902/210,630,423.56
  6. Step 6: Final answer
    x = 82,785,688.97

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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.