Home / 136,288,869.60-188,077,656.60-74,409,208

Finding the Fourth Proportional to 136,288,869.60, 188,077,656.60 and 74,409,208

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Solution

The fourth proportional to 136,288,869.60, 188,077,656.60 and 74,409,208 is: 102,684,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,288,869.60 : 188,077,656.60 = 74,409,208 : x
  2. Step 2: Convert to fraction form
    136,288,869.60/188,077,656.60 = 74,409,208/x
  3. Step 3: Cross multiply
    136,288,869.60x = 188,077,656.60 × 74,409,208
  4. Step 4: Simplify right side
    136,288,869.60x = 13,994,709,470,101,972
  5. Step 5: Solve for x
    x = 13,994,709,470,101,972/136,288,869.60
  6. Step 6: Final answer
    x = 102,684,170.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.