Home / 161,705,766.40-242,558,649.60-46,694,060.80

Finding the Fourth Proportional to 161,705,766.40, 242,558,649.60 and 46,694,060.80

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Solution

The fourth proportional to 161,705,766.40, 242,558,649.60 and 46,694,060.80 is: 70,041,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,705,766.40 : 242,558,649.60 = 46,694,060.80 : x
  2. Step 2: Convert to fraction form
    161,705,766.40/242,558,649.60 = 46,694,060.80/x
  3. Step 3: Cross multiply
    161,705,766.40x = 242,558,649.60 × 46,694,060.80
  4. Step 4: Simplify right side
    161,705,766.40x = 11,326,048,331,988,294
  5. Step 5: Solve for x
    x = 11,326,048,331,988,294/161,705,766.40
  6. Step 6: Final answer
    x = 70,041,091.20

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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.