Home / 201,204,631.10-301,806,946.65-172,506,817.10

Finding the Fourth Proportional to 201,204,631.10, 301,806,946.65 and 172,506,817.10

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Solution

The fourth proportional to 201,204,631.10, 301,806,946.65 and 172,506,817.10 is: 258,760,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,631.10 : 301,806,946.65 = 172,506,817.10 : x
  2. Step 2: Convert to fraction form
    201,204,631.10/301,806,946.65 = 172,506,817.10/x
  3. Step 3: Cross multiply
    201,204,631.10x = 301,806,946.65 × 172,506,817.10
  4. Step 4: Simplify right side
    201,204,631.10x = 52,063,755,745,261,000
  5. Step 5: Solve for x
    x = 52,063,755,745,261,000/201,204,631.10
  6. Step 6: Final answer
    x = 258,760,225.65

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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.