Home / 245,001,010.70-367,501,516.05-189,518,570.30

Finding the Fourth Proportional to 245,001,010.70, 367,501,516.05 and 189,518,570.30

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Solution

The fourth proportional to 245,001,010.70, 367,501,516.05 and 189,518,570.30 is: 284,277,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,001,010.70 : 367,501,516.05 = 189,518,570.30 : x
  2. Step 2: Convert to fraction form
    245,001,010.70/367,501,516.05 = 189,518,570.30/x
  3. Step 3: Cross multiply
    245,001,010.70x = 367,501,516.05 × 189,518,570.30
  4. Step 4: Simplify right side
    245,001,010.70x = 69,648,361,904,878,512
  5. Step 5: Solve for x
    x = 69,648,361,904,878,512/245,001,010.70
  6. Step 6: Final answer
    x = 284,277,855.45

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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.