Home / 171,877,411.20-257,438,203.20-149,202,595.20

Finding the Fourth Proportional to 171,877,411.20, 257,438,203.20 and 149,202,595.20

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Solution

The fourth proportional to 171,877,411.20, 257,438,203.20 and 149,202,595.20 is: 223,475,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,877,411.20 : 257,438,203.20 = 149,202,595.20 : x
  2. Step 2: Convert to fraction form
    171,877,411.20/257,438,203.20 = 149,202,595.20/x
  3. Step 3: Cross multiply
    171,877,411.20x = 257,438,203.20 × 149,202,595.20
  4. Step 4: Simplify right side
    171,877,411.20x = 38,410,448,021,064,936
  5. Step 5: Solve for x
    x = 38,410,448,021,064,936/171,877,411.20
  6. Step 6: Final answer
    x = 223,475,835.21

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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.