Home / 52,183,415.40-78,275,123.10-49,207,345.80

Finding the Fourth Proportional to 52,183,415.40, 78,275,123.10 and 49,207,345.80

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Solution

The fourth proportional to 52,183,415.40, 78,275,123.10 and 49,207,345.80 is: 73,811,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,183,415.40 : 78,275,123.10 = 49,207,345.80 : x
  2. Step 2: Convert to fraction form
    52,183,415.40/78,275,123.10 = 49,207,345.80/x
  3. Step 3: Cross multiply
    52,183,415.40x = 78,275,123.10 × 49,207,345.80
  4. Step 4: Simplify right side
    52,183,415.40x = 3,851,711,049,919,267.50
  5. Step 5: Solve for x
    x = 3,851,711,049,919,267.50/52,183,415.40
  6. Step 6: Final answer
    x = 73,811,018.70

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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.