Home / 90,782,376.67-136,158,944.91-26,071,462.09

Finding the Fourth Proportional to 90,782,376.67, 136,158,944.91 and 26,071,462.09

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Solution

The fourth proportional to 90,782,376.67, 136,158,944.91 and 26,071,462.09 is: 39,102,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,782,376.67 : 136,158,944.91 = 26,071,462.09 : x
  2. Step 2: Convert to fraction form
    90,782,376.67/136,158,944.91 = 26,071,462.09/x
  3. Step 3: Cross multiply
    90,782,376.67x = 136,158,944.91 × 26,071,462.09
  4. Step 4: Simplify right side
    90,782,376.67x = 3,549,862,770,435,463.50
  5. Step 5: Solve for x
    x = 3,549,862,770,435,463.50/90,782,376.67
  6. Step 6: Final answer
    x = 39,102,994.44

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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.