Home / 78,528,860.65-117,806,060.63-23,202,309.61

Finding the Fourth Proportional to 78,528,860.65, 117,806,060.63 and 23,202,309.61

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Solution

The fourth proportional to 78,528,860.65, 117,806,060.63 and 23,202,309.61 is: 34,807,237.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,528,860.65 : 117,806,060.63 = 23,202,309.61 : x
  2. Step 2: Convert to fraction form
    78,528,860.65/117,806,060.63 = 23,202,309.61/x
  3. Step 3: Cross multiply
    78,528,860.65x = 117,806,060.63 × 23,202,309.61
  4. Step 4: Simplify right side
    78,528,860.65x = 2,733,372,692,671,691.50
  5. Step 5: Solve for x
    x = 2,733,372,692,671,691.50/78,528,860.65
  6. Step 6: Final answer
    x = 34,807,237.37

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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.