Home / 163,413,916.03-225,504,417.18-89,072,840.98

Finding the Fourth Proportional to 163,413,916.03, 225,504,417.18 and 89,072,840.98

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Solution

The fourth proportional to 163,413,916.03, 225,504,417.18 and 89,072,840.98 is: 122,916,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,413,916.03 : 225,504,417.18 = 89,072,840.98 : x
  2. Step 2: Convert to fraction form
    163,413,916.03/225,504,417.18 = 89,072,840.98/x
  3. Step 3: Cross multiply
    163,413,916.03x = 225,504,417.18 × 89,072,840.98
  4. Step 4: Simplify right side
    163,413,916.03x = 20,086,319,091,761,720
  5. Step 5: Solve for x
    x = 20,086,319,091,761,720/163,413,916.03
  6. Step 6: Final answer
    x = 122,916,821.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.