Home / 112,354,631.16-168,531,944.70-31,575,599.16

Finding the Fourth Proportional to 112,354,631.16, 168,531,944.70 and 31,575,599.16

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Solution

The fourth proportional to 112,354,631.16, 168,531,944.70 and 31,575,599.16 is: 47,363,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,354,631.16 : 168,531,944.70 = 31,575,599.16 : x
  2. Step 2: Convert to fraction form
    112,354,631.16/168,531,944.70 = 31,575,599.16/x
  3. Step 3: Cross multiply
    112,354,631.16x = 168,531,944.70 × 31,575,599.16
  4. Step 4: Simplify right side
    112,354,631.16x = 5,321,497,131,502,486
  5. Step 5: Solve for x
    x = 5,321,497,131,502,486/112,354,631.16
  6. Step 6: Final answer
    x = 47,363,398.17

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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.