Home / 77,238,412.20-115,932,267.90-47,005,324.20

Finding the Fourth Proportional to 77,238,412.20, 115,932,267.90 and 47,005,324.20

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Solution

The fourth proportional to 77,238,412.20, 115,932,267.90 and 47,005,324.20 is: 70,553,416.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,238,412.20 : 115,932,267.90 = 47,005,324.20 : x
  2. Step 2: Convert to fraction form
    77,238,412.20/115,932,267.90 = 47,005,324.20/x
  3. Step 3: Cross multiply
    77,238,412.20x = 115,932,267.90 × 47,005,324.20
  4. Step 4: Simplify right side
    77,238,412.20x = 5,449,433,837,880,754
  5. Step 5: Solve for x
    x = 5,449,433,837,880,754/77,238,412.20
  6. Step 6: Final answer
    x = 70,553,416.14

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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.