Home / 171,072,690.40-256,514,557.20-55,997,999.20

Finding the Fourth Proportional to 171,072,690.40, 256,514,557.20 and 55,997,999.20

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Solution

The fourth proportional to 171,072,690.40, 256,514,557.20 and 55,997,999.20 is: 83,966,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,690.40 : 256,514,557.20 = 55,997,999.20 : x
  2. Step 2: Convert to fraction form
    171,072,690.40/256,514,557.20 = 55,997,999.20/x
  3. Step 3: Cross multiply
    171,072,690.40x = 256,514,557.20 × 55,997,999.20
  4. Step 4: Simplify right side
    171,072,690.40x = 14,364,301,968,873,954
  5. Step 5: Solve for x
    x = 14,364,301,968,873,954/171,072,690.40
  6. Step 6: Final answer
    x = 83,966,072.76

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1.5x scale

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.