Home / 98,136,385.76-135,429,138.60-54,084,995.84

Finding the Fourth Proportional to 98,136,385.76, 135,429,138.60 and 54,084,995.84

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Solution

The fourth proportional to 98,136,385.76, 135,429,138.60 and 54,084,995.84 is: 74,637,804.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,136,385.76 : 135,429,138.60 = 54,084,995.84 : x
  2. Step 2: Convert to fraction form
    98,136,385.76/135,429,138.60 = 54,084,995.84/x
  3. Step 3: Cross multiply
    98,136,385.76x = 135,429,138.60 × 54,084,995.84
  4. Step 4: Simplify right side
    98,136,385.76x = 7,324,684,397,795,784
  5. Step 5: Solve for x
    x = 7,324,684,397,795,784/98,136,385.76
  6. Step 6: Final answer
    x = 74,637,804.74

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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.