Home / 112,371,698.89-168,557,765.07-43,317,021.20

Finding the Fourth Proportional to 112,371,698.89, 168,557,765.07 and 43,317,021.20

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Solution

The fourth proportional to 112,371,698.89, 168,557,765.07 and 43,317,021.20 is: 64,975,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,698.89 : 168,557,765.07 = 43,317,021.20 : x
  2. Step 2: Convert to fraction form
    112,371,698.89/168,557,765.07 = 43,317,021.20/x
  3. Step 3: Cross multiply
    112,371,698.89x = 168,557,765.07 × 43,317,021.20
  4. Step 4: Simplify right side
    112,371,698.89x = 7,301,420,282,961,810
  5. Step 5: Solve for x
    x = 7,301,420,282,961,810/112,371,698.89
  6. Step 6: Final answer
    x = 64,975,615.35

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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.