Home / 78,883,780.37-118,331,618.51-23,547,244.31

Finding the Fourth Proportional to 78,883,780.37, 118,331,618.51 and 23,547,244.31

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Solution

The fourth proportional to 78,883,780.37, 118,331,618.51 and 23,547,244.31 is: 35,322,641.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,883,780.37 : 118,331,618.51 = 23,547,244.31 : x
  2. Step 2: Convert to fraction form
    78,883,780.37/118,331,618.51 = 23,547,244.31/x
  3. Step 3: Cross multiply
    78,883,780.37x = 118,331,618.51 × 23,547,244.31
  4. Step 4: Simplify right side
    78,883,780.37x = 2,786,383,529,943,293.50
  5. Step 5: Solve for x
    x = 2,786,383,529,943,293.50/78,883,780.37
  6. Step 6: Final answer
    x = 35,322,641.96

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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.