Home / 157,119,999-216,825,665.04-91,078,804.14

Finding the Fourth Proportional to 157,119,999, 216,825,665.04 and 91,078,804.14

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Solution

The fourth proportional to 157,119,999, 216,825,665.04 and 91,078,804.14 is: 125,688,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,119,999 : 216,825,665.04 = 91,078,804.14 : x
  2. Step 2: Convert to fraction form
    157,119,999/216,825,665.04 = 91,078,804.14/x
  3. Step 3: Cross multiply
    157,119,999x = 216,825,665.04 × 91,078,804.14
  4. Step 4: Simplify right side
    157,119,999x = 19,748,222,278,703,404
  5. Step 5: Solve for x
    x = 19,748,222,278,703,404/157,119,999
  6. Step 6: Final answer
    x = 125,688,788.22

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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.