Home / 201,852,005.40-302,778,008.10-132,977,251.80

Finding the Fourth Proportional to 201,852,005.40, 302,778,008.10 and 132,977,251.80

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Solution

The fourth proportional to 201,852,005.40, 302,778,008.10 and 132,977,251.80 is: 199,465,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,005.40 : 302,778,008.10 = 132,977,251.80 : x
  2. Step 2: Convert to fraction form
    201,852,005.40/302,778,008.10 = 132,977,251.80/x
  3. Step 3: Cross multiply
    201,852,005.40x = 302,778,008.10 × 132,977,251.80
  4. Step 4: Simplify right side
    201,852,005.40x = 40,262,587,422,616,144
  5. Step 5: Solve for x
    x = 40,262,587,422,616,144/201,852,005.40
  6. Step 6: Final answer
    x = 199,465,877.70

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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.