Home / 66,851,999.20-100,277,998.80-57,604,925.80

Finding the Fourth Proportional to 66,851,999.20, 100,277,998.80 and 57,604,925.80

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Solution

The fourth proportional to 66,851,999.20, 100,277,998.80 and 57,604,925.80 is: 86,407,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,851,999.20 : 100,277,998.80 = 57,604,925.80 : x
  2. Step 2: Convert to fraction form
    66,851,999.20/100,277,998.80 = 57,604,925.80/x
  3. Step 3: Cross multiply
    66,851,999.20x = 100,277,998.80 × 57,604,925.80
  4. Step 4: Simplify right side
    66,851,999.20x = 5,776,506,680,246,489
  5. Step 5: Solve for x
    x = 5,776,506,680,246,489/66,851,999.20
  6. Step 6: Final answer
    x = 86,407,388.70

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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.