Home / 70,669,986.40-106,004,979.60-59,416,559.20

Finding the Fourth Proportional to 70,669,986.40, 106,004,979.60 and 59,416,559.20

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Solution

The fourth proportional to 70,669,986.40, 106,004,979.60 and 59,416,559.20 is: 89,124,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,669,986.40 : 106,004,979.60 = 59,416,559.20 : x
  2. Step 2: Convert to fraction form
    70,669,986.40/106,004,979.60 = 59,416,559.20/x
  3. Step 3: Cross multiply
    70,669,986.40x = 106,004,979.60 × 59,416,559.20
  4. Step 4: Simplify right side
    70,669,986.40x = 6,298,451,145,898,192
  5. Step 5: Solve for x
    x = 6,298,451,145,898,192/70,669,986.40
  6. Step 6: Final answer
    x = 89,124,838.80

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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.