Home / 157,144,455.73-216,842,764.53-91,085,675.23

Finding the Fourth Proportional to 157,144,455.73, 216,842,764.53 and 91,085,675.23

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Solution

The fourth proportional to 157,144,455.73, 216,842,764.53 and 91,085,675.23 is: 125,688,619.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,144,455.73 : 216,842,764.53 = 91,085,675.23 : x
  2. Step 2: Convert to fraction form
    157,144,455.73/216,842,764.53 = 91,085,675.23/x
  3. Step 3: Cross multiply
    157,144,455.73x = 216,842,764.53 × 91,085,675.23
  4. Step 4: Simplify right side
    157,144,455.73x = 19,751,269,625,954,944
  5. Step 5: Solve for x
    x = 19,751,269,625,954,944/157,144,455.73
  6. Step 6: Final answer
    x = 125,688,619.01

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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.