Home / 98,160,683.72-135,467,804.10-54,107,583.20

Finding the Fourth Proportional to 98,160,683.72, 135,467,804.10 and 54,107,583.20

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Solution

The fourth proportional to 98,160,683.72, 135,467,804.10 and 54,107,583.20 is: 74,671,805.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,160,683.72 : 135,467,804.10 = 54,107,583.20 : x
  2. Step 2: Convert to fraction form
    98,160,683.72/135,467,804.10 = 54,107,583.20/x
  3. Step 3: Cross multiply
    98,160,683.72x = 135,467,804.10 × 54,107,583.20
  4. Step 4: Simplify right side
    98,160,683.72x = 7,329,835,481,262,051
  5. Step 5: Solve for x
    x = 7,329,835,481,262,051/98,160,683.72
  6. Step 6: Final answer
    x = 74,671,805.49

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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.