Home / 66,882,647.20-100,323,970.80-38,184,833.20

Finding the Fourth Proportional to 66,882,647.20, 100,323,970.80 and 38,184,833.20

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Solution

The fourth proportional to 66,882,647.20, 100,323,970.80 and 38,184,833.20 is: 57,277,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,882,647.20 : 100,323,970.80 = 38,184,833.20 : x
  2. Step 2: Convert to fraction form
    66,882,647.20/100,323,970.80 = 38,184,833.20/x
  3. Step 3: Cross multiply
    66,882,647.20x = 100,323,970.80 × 38,184,833.20
  4. Step 4: Simplify right side
    66,882,647.20x = 3,830,854,090,959,670.50
  5. Step 5: Solve for x
    x = 3,830,854,090,959,670.50/66,882,647.20
  6. Step 6: Final answer
    x = 57,277,249.80

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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.