Home / 135,037,571.76-186,352,038.13-73,157,910.33

Finding the Fourth Proportional to 135,037,571.76, 186,352,038.13 and 73,157,910.33

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Solution

The fourth proportional to 135,037,571.76, 186,352,038.13 and 73,157,910.33 is: 100,958,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,037,571.76 : 186,352,038.13 = 73,157,910.33 : x
  2. Step 2: Convert to fraction form
    135,037,571.76/186,352,038.13 = 73,157,910.33/x
  3. Step 3: Cross multiply
    135,037,571.76x = 186,352,038.13 × 73,157,910.33
  4. Step 4: Simplify right side
    135,037,571.76x = 13,633,125,695,327,280
  5. Step 5: Solve for x
    x = 13,633,125,695,327,280/135,037,571.76
  6. Step 6: Final answer
    x = 100,958,018.70

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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.