Home / 209,939,789.21-314,873,792.72-56,549,973.41

Finding the Fourth Proportional to 209,939,789.21, 314,873,792.72 and 56,549,973.41

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Solution

The fourth proportional to 209,939,789.21, 314,873,792.72 and 56,549,973.41 is: 84,815,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,939,789.21 : 314,873,792.72 = 56,549,973.41 : x
  2. Step 2: Convert to fraction form
    209,939,789.21/314,873,792.72 = 56,549,973.41/x
  3. Step 3: Cross multiply
    209,939,789.21x = 314,873,792.72 × 56,549,973.41
  4. Step 4: Simplify right side
    209,939,789.21x = 17,806,104,605,539,100
  5. Step 5: Solve for x
    x = 17,806,104,605,539,100/209,939,789.21
  6. Step 6: Final answer
    x = 84,815,292.39

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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.