Home / 210,372,153.62-315,558,233.16-57,018,210.06

Finding the Fourth Proportional to 210,372,153.62, 315,558,233.16 and 57,018,210.06

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Solution

The fourth proportional to 210,372,153.62, 315,558,233.16 and 57,018,210.06 is: 85,527,315.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,372,153.62 : 315,558,233.16 = 57,018,210.06 : x
  2. Step 2: Convert to fraction form
    210,372,153.62/315,558,233.16 = 57,018,210.06/x
  3. Step 3: Cross multiply
    210,372,153.62x = 315,558,233.16 × 57,018,210.06
  4. Step 4: Simplify right side
    210,372,153.62x = 17,992,565,624,479,340
  5. Step 5: Solve for x
    x = 17,992,565,624,479,340/210,372,153.62
  6. Step 6: Final answer
    x = 85,527,315.83

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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.