Home / 103,959,002.88-143,461,704.96-57,548,275.20

Finding the Fourth Proportional to 103,959,002.88, 143,461,704.96 and 57,548,275.20

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Solution

The fourth proportional to 103,959,002.88, 143,461,704.96 and 57,548,275.20 is: 79,415,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,959,002.88 : 143,461,704.96 = 57,548,275.20 : x
  2. Step 2: Convert to fraction form
    103,959,002.88/143,461,704.96 = 57,548,275.20/x
  3. Step 3: Cross multiply
    103,959,002.88x = 143,461,704.96 × 57,548,275.20
  4. Step 4: Simplify right side
    103,959,002.88x = 8,255,973,677,699,286
  5. Step 5: Solve for x
    x = 8,255,973,677,699,286/103,959,002.88
  6. Step 6: Final answer
    x = 79,415,668.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.