Home / 77,313,988.72-115,971,681.56-23,461,300.72

Finding the Fourth Proportional to 77,313,988.72, 115,971,681.56 and 23,461,300.72

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Solution

The fourth proportional to 77,313,988.72, 115,971,681.56 and 23,461,300.72 is: 35,192,163.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,313,988.72 : 115,971,681.56 = 23,461,300.72 : x
  2. Step 2: Convert to fraction form
    77,313,988.72/115,971,681.56 = 23,461,300.72/x
  3. Step 3: Cross multiply
    77,313,988.72x = 115,971,681.56 × 23,461,300.72
  4. Step 4: Simplify right side
    77,313,988.72x = 2,720,846,496,083,238.50
  5. Step 5: Solve for x
    x = 2,720,846,496,083,238.50/77,313,988.72
  6. Step 6: Final answer
    x = 35,192,163.04

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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.