Home / 70,892,471.08-97,830,246.18-39,952,019.80

Finding the Fourth Proportional to 70,892,471.08, 97,830,246.18 and 39,952,019.80

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Solution

The fourth proportional to 70,892,471.08, 97,830,246.18 and 39,952,019.80 is: 55,133,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,892,471.08 : 97,830,246.18 = 39,952,019.80 : x
  2. Step 2: Convert to fraction form
    70,892,471.08/97,830,246.18 = 39,952,019.80/x
  3. Step 3: Cross multiply
    70,892,471.08x = 97,830,246.18 × 39,952,019.80
  4. Step 4: Simplify right side
    70,892,471.08x = 3,908,515,932,422,234.50
  5. Step 5: Solve for x
    x = 3,908,515,932,422,234.50/70,892,471.08
  6. Step 6: Final answer
    x = 55,133,018.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.