Home / 74,774,537.80-112,161,806.70-64,511,600.20

Finding the Fourth Proportional to 74,774,537.80, 112,161,806.70 and 64,511,600.20

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Solution

The fourth proportional to 74,774,537.80, 112,161,806.70 and 64,511,600.20 is: 96,767,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,774,537.80 : 112,161,806.70 = 64,511,600.20 : x
  2. Step 2: Convert to fraction form
    74,774,537.80/112,161,806.70 = 64,511,600.20/x
  3. Step 3: Cross multiply
    74,774,537.80x = 112,161,806.70 × 64,511,600.20
  4. Step 4: Simplify right side
    74,774,537.80x = 7,235,737,631,540,082
  5. Step 5: Solve for x
    x = 7,235,737,631,540,082/74,774,537.80
  6. Step 6: Final answer
    x = 96,767,400.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.