Home / 112,354,018.90-168,531,028.35-31,574,986.90

Finding the Fourth Proportional to 112,354,018.90, 168,531,028.35 and 31,574,986.90

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Solution

The fourth proportional to 112,354,018.90, 168,531,028.35 and 31,574,986.90 is: 47,362,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,354,018.90 : 168,531,028.35 = 31,574,986.90 : x
  2. Step 2: Convert to fraction form
    112,354,018.90/168,531,028.35 = 31,574,986.90/x
  3. Step 3: Cross multiply
    112,354,018.90x = 168,531,028.35 × 31,574,986.90
  4. Step 4: Simplify right side
    112,354,018.90x = 5,321,365,012,394,778
  5. Step 5: Solve for x
    x = 5,321,365,012,394,778/112,354,018.90
  6. Step 6: Final answer
    x = 47,362,480.35

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1.5x scale

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.