Home / 171,072,759.90-256,514,661.45-55,998,068.70

Finding the Fourth Proportional to 171,072,759.90, 256,514,661.45 and 55,998,068.70

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Solution

The fourth proportional to 171,072,759.90, 256,514,661.45 and 55,998,068.70 is: 83,966,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,759.90 : 256,514,661.45 = 55,998,068.70 : x
  2. Step 2: Convert to fraction form
    171,072,759.90/256,514,661.45 = 55,998,068.70/x
  3. Step 3: Cross multiply
    171,072,759.90x = 256,514,661.45 × 55,998,068.70
  4. Step 4: Simplify right side
    171,072,759.90x = 14,364,325,634,434,342
  5. Step 5: Solve for x
    x = 14,364,325,634,434,342/171,072,759.90
  6. Step 6: Final answer
    x = 83,966,176.98

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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.