Home / 136,230,256.35-188,154,144.68-99,225,399.87

Finding the Fourth Proportional to 136,230,256.35, 188,154,144.68 and 99,225,399.87

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Solution

The fourth proportional to 136,230,256.35, 188,154,144.68 and 99,225,399.87 is: 137,044,961.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,230,256.35 : 188,154,144.68 = 99,225,399.87 : x
  2. Step 2: Convert to fraction form
    136,230,256.35/188,154,144.68 = 99,225,399.87/x
  3. Step 3: Cross multiply
    136,230,256.35x = 188,154,144.68 × 99,225,399.87
  4. Step 4: Simplify right side
    136,230,256.35x = 18,669,670,242,574,708
  5. Step 5: Solve for x
    x = 18,669,670,242,574,708/136,230,256.35
  6. Step 6: Final answer
    x = 137,044,961.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.