Home / 103,970,578.54-143,479,433.10-56,930,627.14

Finding the Fourth Proportional to 103,970,578.54, 143,479,433.10 and 56,930,627.14

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Solution

The fourth proportional to 103,970,578.54, 143,479,433.10 and 56,930,627.14 is: 78,564,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,970,578.54 : 143,479,433.10 = 56,930,627.14 : x
  2. Step 2: Convert to fraction form
    103,970,578.54/143,479,433.10 = 56,930,627.14/x
  3. Step 3: Cross multiply
    103,970,578.54x = 143,479,433.10 × 56,930,627.14
  4. Step 4: Simplify right side
    103,970,578.54x = 8,168,374,108,074,674
  5. Step 5: Solve for x
    x = 8,168,374,108,074,674/103,970,578.54
  6. Step 6: Final answer
    x = 78,564,284.46

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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.