Home / 78,506,160.44-117,772,032.28-23,179,588.06

Finding the Fourth Proportional to 78,506,160.44, 117,772,032.28 and 23,179,588.06

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Solution

The fourth proportional to 78,506,160.44, 117,772,032.28 and 23,179,588.06 is: 34,773,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,506,160.44 : 117,772,032.28 = 23,179,588.06 : x
  2. Step 2: Convert to fraction form
    78,506,160.44/117,772,032.28 = 23,179,588.06/x
  3. Step 3: Cross multiply
    78,506,160.44x = 117,772,032.28 × 23,179,588.06
  4. Step 4: Simplify right side
    78,506,160.44x = 2,729,907,193,239,422.50
  5. Step 5: Solve for x
    x = 2,729,907,193,239,422.50/78,506,160.44
  6. Step 6: Final answer
    x = 34,773,158.92

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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.