Home / 101,143,500.66-139,563,016.32-61,430,365.44

Finding the Fourth Proportional to 101,143,500.66, 139,563,016.32 and 61,430,365.44

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Solution

The fourth proportional to 101,143,500.66, 139,563,016.32 and 61,430,365.44 is: 84,764,785.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,500.66 : 139,563,016.32 = 61,430,365.44 : x
  2. Step 2: Convert to fraction form
    101,143,500.66/139,563,016.32 = 61,430,365.44/x
  3. Step 3: Cross multiply
    101,143,500.66x = 139,563,016.32 × 61,430,365.44
  4. Step 4: Simplify right side
    101,143,500.66x = 8,573,407,094,446,283
  5. Step 5: Solve for x
    x = 8,573,407,094,446,283/101,143,500.66
  6. Step 6: Final answer
    x = 84,764,785.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.