Home / 201,011,009.40-301,516,514.10-132,136,255.80

Finding the Fourth Proportional to 201,011,009.40, 301,516,514.10 and 132,136,255.80

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Solution

The fourth proportional to 201,011,009.40, 301,516,514.10 and 132,136,255.80 is: 198,204,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,011,009.40 : 301,516,514.10 = 132,136,255.80 : x
  2. Step 2: Convert to fraction form
    201,011,009.40/301,516,514.10 = 132,136,255.80/x
  3. Step 3: Cross multiply
    201,011,009.40x = 301,516,514.10 × 132,136,255.80
  4. Step 4: Simplify right side
    201,011,009.40x = 39,841,263,235,041,912
  5. Step 5: Solve for x
    x = 39,841,263,235,041,912/201,011,009.40
  6. Step 6: Final answer
    x = 198,204,383.70

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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.