Home / 291,935,553.23-402,872,131.11-157,973,470.76

Finding the Fourth Proportional to 291,935,553.23, 402,872,131.11 and 157,973,470.76

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Solution

The fourth proportional to 291,935,553.23, 402,872,131.11 and 157,973,470.76 is: 218,003,967.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,935,553.23 : 402,872,131.11 = 157,973,470.76 : x
  2. Step 2: Convert to fraction form
    291,935,553.23/402,872,131.11 = 157,973,470.76/x
  3. Step 3: Cross multiply
    291,935,553.23x = 402,872,131.11 × 157,973,470.76
  4. Step 4: Simplify right side
    291,935,553.23x = 63,643,108,825,524,048
  5. Step 5: Solve for x
    x = 63,643,108,825,524,048/291,935,553.23
  6. Step 6: Final answer
    x = 218,003,967.39

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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.