Home / 101,720,582.22-152,490,030.12-36,978,778.89

Finding the Fourth Proportional to 101,720,582.22, 152,490,030.12 and 36,978,778.89

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Solution

The fourth proportional to 101,720,582.22, 152,490,030.12 and 36,978,778.89 is: 55,435,143.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,720,582.22 : 152,490,030.12 = 36,978,778.89 : x
  2. Step 2: Convert to fraction form
    101,720,582.22/152,490,030.12 = 36,978,778.89/x
  3. Step 3: Cross multiply
    101,720,582.22x = 152,490,030.12 × 36,978,778.89
  4. Step 4: Simplify right side
    101,720,582.22x = 5,638,895,106,736,920
  5. Step 5: Solve for x
    x = 5,638,895,106,736,920/101,720,582.22
  6. Step 6: Final answer
    x = 55,435,143.84

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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.