Home / 210,116,431.76-315,652,944.51-152,003,358.41

Finding the Fourth Proportional to 210,116,431.76, 315,652,944.51 and 152,003,358.41

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Solution

The fourth proportional to 210,116,431.76, 315,652,944.51 and 152,003,358.41 is: 228,351,049.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,116,431.76 : 315,652,944.51 = 152,003,358.41 : x
  2. Step 2: Convert to fraction form
    210,116,431.76/315,652,944.51 = 152,003,358.41/x
  3. Step 3: Cross multiply
    210,116,431.76x = 315,652,944.51 × 152,003,358.41
  4. Step 4: Simplify right side
    210,116,431.76x = 47,980,307,655,947,104
  5. Step 5: Solve for x
    x = 47,980,307,655,947,104/210,116,431.76
  6. Step 6: Final answer
    x = 228,351,049.25

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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.