Home / 293,849,199.74-405,499,737.80-159,887,667.36

Finding the Fourth Proportional to 293,849,199.74, 405,499,737.80 and 159,887,667.36

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Solution

The fourth proportional to 293,849,199.74, 405,499,737.80 and 159,887,667.36 is: 220,638,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,849,199.74 : 405,499,737.80 = 159,887,667.36 : x
  2. Step 2: Convert to fraction form
    293,849,199.74/405,499,737.80 = 159,887,667.36/x
  3. Step 3: Cross multiply
    293,849,199.74x = 405,499,737.80 × 159,887,667.36
  4. Step 4: Simplify right side
    293,849,199.74x = 64,834,407,191,933,624
  5. Step 5: Solve for x
    x = 64,834,407,191,933,624/293,849,199.74
  6. Step 6: Final answer
    x = 220,638,365.70

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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.