Home / 77,346,497.80-116,018,061.30-36,383,231.68

Finding the Fourth Proportional to 77,346,497.80, 116,018,061.30 and 36,383,231.68

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Solution

The fourth proportional to 77,346,497.80, 116,018,061.30 and 36,383,231.68 is: 54,574,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,346,497.80 : 116,018,061.30 = 36,383,231.68 : x
  2. Step 2: Convert to fraction form
    77,346,497.80/116,018,061.30 = 36,383,231.68/x
  3. Step 3: Cross multiply
    77,346,497.80x = 116,018,061.30 × 36,383,231.68
  4. Step 4: Simplify right side
    77,346,497.80x = 4,221,112,003,342,342
  5. Step 5: Solve for x
    x = 4,221,112,003,342,342/77,346,497.80
  6. Step 6: Final answer
    x = 54,574,054.72

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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.