Home / 86,192,300.85-118,947,899.07-47,036,600.61

Finding the Fourth Proportional to 86,192,300.85, 118,947,899.07 and 47,036,600.61

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Solution

The fourth proportional to 86,192,300.85, 118,947,899.07 and 47,036,600.61 is: 64,911,886.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,192,300.85 : 118,947,899.07 = 47,036,600.61 : x
  2. Step 2: Convert to fraction form
    86,192,300.85/118,947,899.07 = 47,036,600.61/x
  3. Step 3: Cross multiply
    86,192,300.85x = 118,947,899.07 × 47,036,600.61
  4. Step 4: Simplify right side
    86,192,300.85x = 5,594,904,821,954,180
  5. Step 5: Solve for x
    x = 5,594,904,821,954,180/86,192,300.85
  6. Step 6: Final answer
    x = 64,911,886.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.