Home / 448,872,991.40-673,373,746.29-138,006,709.88

Finding the Fourth Proportional to 448,872,991.40, 673,373,746.29 and 138,006,709.88

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Solution

The fourth proportional to 448,872,991.40, 673,373,746.29 and 138,006,709.88 is: 207,029,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,872,991.40 : 673,373,746.29 = 138,006,709.88 : x
  2. Step 2: Convert to fraction form
    448,872,991.40/673,373,746.29 = 138,006,709.88/x
  3. Step 3: Cross multiply
    448,872,991.40x = 673,373,746.29 × 138,006,709.88
  4. Step 4: Simplify right side
    448,872,991.40x = 92,930,095,242,203,424
  5. Step 5: Solve for x
    x = 92,930,095,242,203,424/448,872,991.40
  6. Step 6: Final answer
    x = 207,029,821.40

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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.