Home / 290,439,069-400,805,923.42-160,058,877

Finding the Fourth Proportional to 290,439,069, 400,805,923.42 and 160,058,877

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Solution

The fourth proportional to 290,439,069, 400,805,923.42 and 160,058,877 is: 220,881,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,439,069 : 400,805,923.42 = 160,058,877 : x
  2. Step 2: Convert to fraction form
    290,439,069/400,805,923.42 = 160,058,877/x
  3. Step 3: Cross multiply
    290,439,069x = 400,805,923.42 × 160,058,877
  4. Step 4: Simplify right side
    290,439,069x = 64,152,545,997,553,200
  5. Step 5: Solve for x
    x = 64,152,545,997,553,200/290,439,069
  6. Step 6: Final answer
    x = 220,881,254.78

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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.