Home / 77,017,431.71-115,563,514.58-33,881,030.15

Finding the Fourth Proportional to 77,017,431.71, 115,563,514.58 and 33,881,030.15

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Solution

The fourth proportional to 77,017,431.71, 115,563,514.58 and 33,881,030.15 is: 50,837,983.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,017,431.71 : 115,563,514.58 = 33,881,030.15 : x
  2. Step 2: Convert to fraction form
    77,017,431.71/115,563,514.58 = 33,881,030.15/x
  3. Step 3: Cross multiply
    77,017,431.71x = 115,563,514.58 × 33,881,030.15
  4. Step 4: Simplify right side
    77,017,431.71x = 3,915,410,920,977,722.50
  5. Step 5: Solve for x
    x = 3,915,410,920,977,722.50/77,017,431.71
  6. Step 6: Final answer
    x = 50,837,983.48

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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.