Home / 161,705,725.40-242,558,588.10-46,694,019.80

Finding the Fourth Proportional to 161,705,725.40, 242,558,588.10 and 46,694,019.80

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Solution

The fourth proportional to 161,705,725.40, 242,558,588.10 and 46,694,019.80 is: 70,041,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705,725.40 : 242,558,588.10 = 46,694,019.80 : x
  2. Step 2: Convert to fraction form
    161,705,725.40/242,558,588.10 = 46,694,019.80/x
  3. Step 3: Cross multiply
    161,705,725.40x = 242,558,588.10 × 46,694,019.80
  4. Step 4: Simplify right side
    161,705,725.40x = 11,326,035,515,401,444
  5. Step 5: Solve for x
    x = 11,326,035,515,401,444/161,705,725.40
  6. Step 6: Final answer
    x = 70,041,029.70

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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.