Home / 72,061,616.16-108,047,012.40-61,135,623.36

Finding the Fourth Proportional to 72,061,616.16, 108,047,012.40 and 61,135,623.36

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Solution

The fourth proportional to 72,061,616.16, 108,047,012.40 and 61,135,623.36 is: 91,664,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,061,616.16 : 108,047,012.40 = 61,135,623.36 : x
  2. Step 2: Convert to fraction form
    72,061,616.16/108,047,012.40 = 61,135,623.36/x
  3. Step 3: Cross multiply
    72,061,616.16x = 108,047,012.40 × 61,135,623.36
  4. Step 4: Simplify right side
    72,061,616.16x = 6,605,521,455,259,650
  5. Step 5: Solve for x
    x = 6,605,521,455,259,650/72,061,616.16
  6. Step 6: Final answer
    x = 91,664,908.55

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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.