Home / 112,131,641.40-168,165,969.30-35,478,166.20

Finding the Fourth Proportional to 112,131,641.40, 168,165,969.30 and 35,478,166.20

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Solution

The fourth proportional to 112,131,641.40, 168,165,969.30 and 35,478,166.20 is: 53,207,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,131,641.40 : 168,165,969.30 = 35,478,166.20 : x
  2. Step 2: Convert to fraction form
    112,131,641.40/168,165,969.30 = 35,478,166.20/x
  3. Step 3: Cross multiply
    112,131,641.40x = 168,165,969.30 × 35,478,166.20
  4. Step 4: Simplify right side
    112,131,641.40x = 5,966,220,208,009,499
  5. Step 5: Solve for x
    x = 5,966,220,208,009,499/112,131,641.40
  6. Step 6: Final answer
    x = 53,207,285.06

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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.