Home / 210,308,148.80-315,180,235.71-163,677,937.78

Finding the Fourth Proportional to 210,308,148.80, 315,180,235.71 and 163,677,937.78

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Solution

The fourth proportional to 210,308,148.80, 315,180,235.71 and 163,677,937.78 is: 245,297,442.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,308,148.80 : 315,180,235.71 = 163,677,937.78 : x
  2. Step 2: Convert to fraction form
    210,308,148.80/315,180,235.71 = 163,677,937.78/x
  3. Step 3: Cross multiply
    210,308,148.80x = 315,180,235.71 × 163,677,937.78
  4. Step 4: Simplify right side
    210,308,148.80x = 51,588,051,010,027,112
  5. Step 5: Solve for x
    x = 51,588,051,010,027,112/210,308,148.80
  6. Step 6: Final answer
    x = 245,297,442.37

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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.