Home / 165,622,495.60-248,247,119.40-79,402,207.60

Finding the Fourth Proportional to 165,622,495.60, 248,247,119.40 and 79,402,207.60

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Solution

The fourth proportional to 165,622,495.60, 248,247,119.40 and 79,402,207.60 is: 119,013,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,622,495.60 : 248,247,119.40 = 79,402,207.60 : x
  2. Step 2: Convert to fraction form
    165,622,495.60/248,247,119.40 = 79,402,207.60/x
  3. Step 3: Cross multiply
    165,622,495.60x = 248,247,119.40 × 79,402,207.60
  4. Step 4: Simplify right side
    165,622,495.60x = 19,711,369,310,700,788
  5. Step 5: Solve for x
    x = 19,711,369,310,700,788/165,622,495.60
  6. Step 6: Final answer
    x = 119,013,840.72

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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.