Home / 96,776,101.60-145,164,152.40-66,119,999.20

Finding the Fourth Proportional to 96,776,101.60, 145,164,152.40 and 66,119,999.20

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Solution

The fourth proportional to 96,776,101.60, 145,164,152.40 and 66,119,999.20 is: 99,179,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,776,101.60 : 145,164,152.40 = 66,119,999.20 : x
  2. Step 2: Convert to fraction form
    96,776,101.60/145,164,152.40 = 66,119,999.20/x
  3. Step 3: Cross multiply
    96,776,101.60x = 145,164,152.40 × 66,119,999.20
  4. Step 4: Simplify right side
    96,776,101.60x = 9,598,253,640,556,678
  5. Step 5: Solve for x
    x = 9,598,253,640,556,678/96,776,101.60
  6. Step 6: Final answer
    x = 99,179,998.80

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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.