Home / 87,019,074.98-120,089,749.82-47,864,495.00

Finding the Fourth Proportional to 87,019,074.98, 120,089,749.82 and 47,864,495.00

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Solution

The fourth proportional to 87,019,074.98, 120,089,749.82 and 47,864,495.00 is: 66,054,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,019,074.98 : 120,089,749.82 = 47,864,495.00 : x
  2. Step 2: Convert to fraction form
    87,019,074.98/120,089,749.82 = 47,864,495.00/x
  3. Step 3: Cross multiply
    87,019,074.98x = 120,089,749.82 × 47,864,495.00
  4. Step 4: Simplify right side
    87,019,074.98x = 5,748,035,228,970,869
  5. Step 5: Solve for x
    x = 5,748,035,228,970,869/87,019,074.98
  6. Step 6: Final answer
    x = 66,054,887.74

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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.