Home / 210,064,746.96-315,143,965.98-64,512,998.46

Finding the Fourth Proportional to 210,064,746.96, 315,143,965.98 and 64,512,998.46

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Solution

The fourth proportional to 210,064,746.96, 315,143,965.98 and 64,512,998.46 is: 96,783,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,064,746.96 : 315,143,965.98 = 64,512,998.46 : x
  2. Step 2: Convert to fraction form
    210,064,746.96/315,143,965.98 = 64,512,998.46/x
  3. Step 3: Cross multiply
    210,064,746.96x = 315,143,965.98 × 64,512,998.46
  4. Step 4: Simplify right side
    210,064,746.96x = 20,330,882,191,946,032
  5. Step 5: Solve for x
    x = 20,330,882,191,946,032/210,064,746.96
  6. Step 6: Final answer
    x = 96,783,884.43

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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.