Home / 67,186,166.80-100,779,250.20-66,066,422.80

Finding the Fourth Proportional to 67,186,166.80, 100,779,250.20 and 66,066,422.80

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Solution

The fourth proportional to 67,186,166.80, 100,779,250.20 and 66,066,422.80 is: 99,099,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,186,166.80 : 100,779,250.20 = 66,066,422.80 : x
  2. Step 2: Convert to fraction form
    67,186,166.80/100,779,250.20 = 66,066,422.80/x
  3. Step 3: Cross multiply
    67,186,166.80x = 100,779,250.20 × 66,066,422.80
  4. Step 4: Simplify right side
    67,186,166.80x = 6,658,124,553,180,184
  5. Step 5: Solve for x
    x = 6,658,124,553,180,184/67,186,166.80
  6. Step 6: Final answer
    x = 99,099,634.20

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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.