Home / 210,171,971.50-315,288,044.90-64,617,755.67

Finding the Fourth Proportional to 210,171,971.50, 315,288,044.90 and 64,617,755.67

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Solution

The fourth proportional to 210,171,971.50, 315,288,044.90 and 64,617,755.67 is: 96,935,884.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,171,971.50 : 315,288,044.90 = 64,617,755.67 : x
  2. Step 2: Convert to fraction form
    210,171,971.50/315,288,044.90 = 64,617,755.67/x
  3. Step 3: Cross multiply
    210,171,971.50x = 315,288,044.90 × 64,617,755.67
  4. Step 4: Simplify right side
    210,171,971.50x = 20,373,205,850,940,064
  5. Step 5: Solve for x
    x = 20,373,205,850,940,064/210,171,971.50
  6. Step 6: Final answer
    x = 96,935,884.01

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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.