Home / 77,201,242.72-115,805,588.36-25,384,698.10

Finding the Fourth Proportional to 77,201,242.72, 115,805,588.36 and 25,384,698.10

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Solution

The fourth proportional to 77,201,242.72, 115,805,588.36 and 25,384,698.10 is: 38,078,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,201,242.72 : 115,805,588.36 = 25,384,698.10 : x
  2. Step 2: Convert to fraction form
    77,201,242.72/115,805,588.36 = 25,384,698.10/x
  3. Step 3: Cross multiply
    77,201,242.72x = 115,805,588.36 × 25,384,698.10
  4. Step 4: Simplify right side
    77,201,242.72x = 2,939,689,898,811,474.50
  5. Step 5: Solve for x
    x = 2,939,689,898,811,474.50/77,201,242.72
  6. Step 6: Final answer
    x = 38,078,271.74

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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.