Home / 112,354,404.75-168,531,607.14-31,575,372.75

Finding the Fourth Proportional to 112,354,404.75, 168,531,607.14 and 31,575,372.75

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Solution

The fourth proportional to 112,354,404.75, 168,531,607.14 and 31,575,372.75 is: 47,363,059.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,354,404.75 : 168,531,607.14 = 31,575,372.75 : x
  2. Step 2: Convert to fraction form
    112,354,404.75/168,531,607.14 = 31,575,372.75/x
  3. Step 3: Cross multiply
    112,354,404.75x = 168,531,607.14 × 31,575,372.75
  4. Step 4: Simplify right side
    112,354,404.75x = 5,321,448,315,602,061
  5. Step 5: Solve for x
    x = 5,321,448,315,602,061/112,354,404.75
  6. Step 6: Final answer
    x = 47,363,059.13

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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.