Home / 207,247,234.70-310,870,852.05-63,621,404.30

Finding the Fourth Proportional to 207,247,234.70, 310,870,852.05 and 63,621,404.30

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Solution

The fourth proportional to 207,247,234.70, 310,870,852.05 and 63,621,404.30 is: 95,432,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,247,234.70 : 310,870,852.05 = 63,621,404.30 : x
  2. Step 2: Convert to fraction form
    207,247,234.70/310,870,852.05 = 63,621,404.30/x
  3. Step 3: Cross multiply
    207,247,234.70x = 310,870,852.05 × 63,621,404.30
  4. Step 4: Simplify right side
    207,247,234.70x = 19,778,040,163,358,532
  5. Step 5: Solve for x
    x = 19,778,040,163,358,532/207,247,234.70
  6. Step 6: Final answer
    x = 95,432,106.45

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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.