Home / 191,287,744.49-264,058,539.91-128,600,198.93

Finding the Fourth Proportional to 191,287,744.49, 264,058,539.91 and 128,600,198.93

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Solution

The fourth proportional to 191,287,744.49, 264,058,539.91 and 128,600,198.93 is: 177,523,033.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,287,744.49 : 264,058,539.91 = 128,600,198.93 : x
  2. Step 2: Convert to fraction form
    191,287,744.49/264,058,539.91 = 128,600,198.93/x
  3. Step 3: Cross multiply
    191,287,744.49x = 264,058,539.91 × 128,600,198.93
  4. Step 4: Simplify right side
    191,287,744.49x = 33,957,980,761,429,752
  5. Step 5: Solve for x
    x = 33,957,980,761,429,752/191,287,744.49
  6. Step 6: Final answer
    x = 177,523,033.96

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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.