Home / 189,535,616.40-284,320,772.64-53,220,081.36

Finding the Fourth Proportional to 189,535,616.40, 284,320,772.64 and 53,220,081.36

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Solution

The fourth proportional to 189,535,616.40, 284,320,772.64 and 53,220,081.36 is: 79,834,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,535,616.40 : 284,320,772.64 = 53,220,081.36 : x
  2. Step 2: Convert to fraction form
    189,535,616.40/284,320,772.64 = 53,220,081.36/x
  3. Step 3: Cross multiply
    189,535,616.40x = 284,320,772.64 × 53,220,081.36
  4. Step 4: Simplify right side
    189,535,616.40x = 15,131,574,652,238,862
  5. Step 5: Solve for x
    x = 15,131,574,652,238,862/189,535,616.40
  6. Step 6: Final answer
    x = 79,834,993.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.