Home / 112,354,019.40-168,531,029.10-31,574,987.40

Finding the Fourth Proportional to 112,354,019.40, 168,531,029.10 and 31,574,987.40

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Solution

The fourth proportional to 112,354,019.40, 168,531,029.10 and 31,574,987.40 is: 47,362,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,354,019.40 : 168,531,029.10 = 31,574,987.40 : x
  2. Step 2: Convert to fraction form
    112,354,019.40/168,531,029.10 = 31,574,987.40/x
  3. Step 3: Cross multiply
    112,354,019.40x = 168,531,029.10 × 31,574,987.40
  4. Step 4: Simplify right side
    112,354,019.40x = 5,321,365,120,341,533
  5. Step 5: Solve for x
    x = 5,321,365,120,341,533/112,354,019.40
  6. Step 6: Final answer
    x = 47,362,481.10

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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.