Home / 85,248,000.40-127,872,000.60-51,207,782.80

Finding the Fourth Proportional to 85,248,000.40, 127,872,000.60 and 51,207,782.80

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Solution

The fourth proportional to 85,248,000.40, 127,872,000.60 and 51,207,782.80 is: 76,811,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,248,000.40 : 127,872,000.60 = 51,207,782.80 : x
  2. Step 2: Convert to fraction form
    85,248,000.40/127,872,000.60 = 51,207,782.80/x
  3. Step 3: Cross multiply
    85,248,000.40x = 127,872,000.60 × 51,207,782.80
  4. Step 4: Simplify right side
    85,248,000.40x = 6,548,041,632,926,269
  5. Step 5: Solve for x
    x = 6,548,041,632,926,269/85,248,000.40
  6. Step 6: Final answer
    x = 76,811,674.20

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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.