Home / 165,622,492.60-248,247,114.90-79,402,204.60

Finding the Fourth Proportional to 165,622,492.60, 248,247,114.90 and 79,402,204.60

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Solution

The fourth proportional to 165,622,492.60, 248,247,114.90 and 79,402,204.60 is: 119,013,836.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,622,492.60 : 248,247,114.90 = 79,402,204.60 : x
  2. Step 2: Convert to fraction form
    165,622,492.60/248,247,114.90 = 79,402,204.60/x
  3. Step 3: Cross multiply
    165,622,492.60x = 248,247,114.90 × 79,402,204.60
  4. Step 4: Simplify right side
    165,622,492.60x = 19,711,368,208,649,508
  5. Step 5: Solve for x
    x = 19,711,368,208,649,508/165,622,492.60
  6. Step 6: Final answer
    x = 119,013,836.22

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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.