Home / 136,736,911.47-188,696,914.38-74,012,997

Finding the Fourth Proportional to 136,736,911.47, 188,696,914.38 and 74,012,997

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Solution

The fourth proportional to 136,736,911.47, 188,696,914.38 and 74,012,997 is: 102,137,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,736,911.47 : 188,696,914.38 = 74,012,997 : x
  2. Step 2: Convert to fraction form
    136,736,911.47/188,696,914.38 = 74,012,997/x
  3. Step 3: Cross multiply
    136,736,911.47x = 188,696,914.38 × 74,012,997
  4. Step 4: Simplify right side
    136,736,911.47x = 13,966,024,157,916,196
  5. Step 5: Solve for x
    x = 13,966,024,157,916,196/136,736,911.47
  6. Step 6: Final answer
    x = 102,137,923.17

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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.