Home / 105,473,913.12-145,540,197.90-60,821,534.39

Finding the Fourth Proportional to 105,473,913.12, 145,540,197.90 and 60,821,534.39

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Solution

The fourth proportional to 105,473,913.12, 145,540,197.90 and 60,821,534.39 is: 83,925,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,473,913.12 : 145,540,197.90 = 60,821,534.39 : x
  2. Step 2: Convert to fraction form
    105,473,913.12/145,540,197.90 = 60,821,534.39/x
  3. Step 3: Cross multiply
    105,473,913.12x = 145,540,197.90 × 60,821,534.39
  4. Step 4: Simplify right side
    105,473,913.12x = 8,851,978,150,974,555
  5. Step 5: Solve for x
    x = 8,851,978,150,974,555/105,473,913.12
  6. Step 6: Final answer
    x = 83,925,758.41

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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.