Home / 78,865,561.31-118,192,596.67-61,379,232.17

Finding the Fourth Proportional to 78,865,561.31, 118,192,596.67 and 61,379,232.17

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Solution

The fourth proportional to 78,865,561.31, 118,192,596.67 and 61,379,232.17 is: 91,986,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,865,561.31 : 118,192,596.67 = 61,379,232.17 : x
  2. Step 2: Convert to fraction form
    78,865,561.31/118,192,596.67 = 61,379,232.17/x
  3. Step 3: Cross multiply
    78,865,561.31x = 118,192,596.67 × 61,379,232.17
  4. Step 4: Simplify right side
    78,865,561.31x = 7,254,570,832,352,950
  5. Step 5: Solve for x
    x = 7,254,570,832,352,950/78,865,561.31
  6. Step 6: Final answer
    x = 91,986,549.16

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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.