Home / 113,484,005.20-170,226,007.80-78,846,590.80

Finding the Fourth Proportional to 113,484,005.20, 170,226,007.80 and 78,846,590.80

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Solution

The fourth proportional to 113,484,005.20, 170,226,007.80 and 78,846,590.80 is: 118,269,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,484,005.20 : 170,226,007.80 = 78,846,590.80 : x
  2. Step 2: Convert to fraction form
    113,484,005.20/170,226,007.80 = 78,846,590.80/x
  3. Step 3: Cross multiply
    113,484,005.20x = 170,226,007.80 × 78,846,590.80
  4. Step 4: Simplify right side
    113,484,005.20x = 13,421,740,380,524,208
  5. Step 5: Solve for x
    x = 13,421,740,380,524,208/113,484,005.20
  6. Step 6: Final answer
    x = 118,269,886.20

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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.