Home / 210,372,154.48-315,558,234.46-57,018,210.92

Finding the Fourth Proportional to 210,372,154.48, 315,558,234.46 and 57,018,210.92

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Solution

The fourth proportional to 210,372,154.48, 315,558,234.46 and 57,018,210.92 is: 85,527,317.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,372,154.48 : 315,558,234.46 = 57,018,210.92 : x
  2. Step 2: Convert to fraction form
    210,372,154.48/315,558,234.46 = 57,018,210.92/x
  3. Step 3: Cross multiply
    210,372,154.48x = 315,558,234.46 × 57,018,210.92
  4. Step 4: Simplify right side
    210,372,154.48x = 17,992,565,969,698,000
  5. Step 5: Solve for x
    x = 17,992,565,969,698,000/210,372,154.48
  6. Step 6: Final answer
    x = 85,527,317.12

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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.