Home / 112,371,693.12-168,557,756.52-43,317,015.36

Finding the Fourth Proportional to 112,371,693.12, 168,557,756.52 and 43,317,015.36

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Solution

The fourth proportional to 112,371,693.12, 168,557,756.52 and 43,317,015.36 is: 64,975,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,693.12 : 168,557,756.52 = 43,317,015.36 : x
  2. Step 2: Convert to fraction form
    112,371,693.12/168,557,756.52 = 43,317,015.36/x
  3. Step 3: Cross multiply
    112,371,693.12x = 168,557,756.52 × 43,317,015.36
  4. Step 4: Simplify right side
    112,371,693.12x = 7,301,418,928,223,981
  5. Step 5: Solve for x
    x = 7,301,418,928,223,981/112,371,693.12
  6. Step 6: Final answer
    x = 64,975,606.63

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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.