Home / 200,029,602.70-300,044,404.05-85,017,897.10

Finding the Fourth Proportional to 200,029,602.70, 300,044,404.05 and 85,017,897.10

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Solution

The fourth proportional to 200,029,602.70, 300,044,404.05 and 85,017,897.10 is: 127,526,845.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,029,602.70 : 300,044,404.05 = 85,017,897.10 : x
  2. Step 2: Convert to fraction form
    200,029,602.70/300,044,404.05 = 85,017,897.10/x
  3. Step 3: Cross multiply
    200,029,602.70x = 300,044,404.05 × 85,017,897.10
  4. Step 4: Simplify right side
    200,029,602.70x = 25,509,144,268,953,724
  5. Step 5: Solve for x
    x = 25,509,144,268,953,724/200,029,602.70
  6. Step 6: Final answer
    x = 127,526,845.65

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Similar ratio
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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.