Home / 191,287,754.16-264,058,553.29-128,600,208.65

Finding the Fourth Proportional to 191,287,754.16, 264,058,553.29 and 128,600,208.65

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Solution

The fourth proportional to 191,287,754.16, 264,058,553.29 and 128,600,208.65 is: 177,523,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,287,754.16 : 264,058,553.29 = 128,600,208.65 : x
  2. Step 2: Convert to fraction form
    191,287,754.16/264,058,553.29 = 128,600,208.65/x
  3. Step 3: Cross multiply
    191,287,754.16x = 264,058,553.29 × 128,600,208.65
  4. Step 4: Simplify right side
    191,287,754.16x = 33,957,985,048,007,552
  5. Step 5: Solve for x
    x = 33,957,985,048,007,552/191,287,754.16
  6. Step 6: Final answer
    x = 177,523,047.39

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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.