Home / 90,825,814.35-136,238,721.53-90,825,814.35

Finding the Fourth Proportional to 90,825,814.35, 136,238,721.53 and 90,825,814.35

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Solution

The fourth proportional to 90,825,814.35, 136,238,721.53 and 90,825,814.35 is: 136,238,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,825,814.35 : 136,238,721.53 = 90,825,814.35 : x
  2. Step 2: Convert to fraction form
    90,825,814.35/136,238,721.53 = 90,825,814.35/x
  3. Step 3: Cross multiply
    90,825,814.35x = 136,238,721.53 × 90,825,814.35
  4. Step 4: Simplify right side
    90,825,814.35x = 12,373,992,828,510,998
  5. Step 5: Solve for x
    x = 12,373,992,828,510,998/90,825,814.35
  6. Step 6: Final answer
    x = 136,238,721.53

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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.