Home / 53,716,967.88-80,575,351.12-16,831,681.78

Finding the Fourth Proportional to 53,716,967.88, 80,575,351.12 and 16,831,681.78

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Solution

The fourth proportional to 53,716,967.88, 80,575,351.12 and 16,831,681.78 is: 25,247,491.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,716,967.88 : 80,575,351.12 = 16,831,681.78 : x
  2. Step 2: Convert to fraction form
    53,716,967.88/80,575,351.12 = 16,831,681.78/x
  3. Step 3: Cross multiply
    53,716,967.88x = 80,575,351.12 × 16,831,681.78
  4. Step 4: Simplify right side
    53,716,967.88x = 1,356,218,669,363,606.75
  5. Step 5: Solve for x
    x = 1,356,218,669,363,606.75/53,716,967.88
  6. Step 6: Final answer
    x = 25,247,491.12

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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.