Home / 87,253,917.16-120,415,792.98-48,095,605.72

Finding the Fourth Proportional to 87,253,917.16, 120,415,792.98 and 48,095,605.72

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Solution

The fourth proportional to 87,253,917.16, 120,415,792.98 and 48,095,605.72 is: 66,374,905.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,253,917.16 : 120,415,792.98 = 48,095,605.72 : x
  2. Step 2: Convert to fraction form
    87,253,917.16/120,415,792.98 = 48,095,605.72/x
  3. Step 3: Cross multiply
    87,253,917.16x = 120,415,792.98 × 48,095,605.72
  4. Step 4: Simplify right side
    87,253,917.16x = 5,791,470,501,627,224
  5. Step 5: Solve for x
    x = 5,791,470,501,627,224/87,253,917.16
  6. Step 6: Final answer
    x = 66,374,905.45

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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.