Home / 86,193,669.80-118,949,776.28-47,037,968.61

Finding the Fourth Proportional to 86,193,669.80, 118,949,776.28 and 47,037,968.61

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Solution

The fourth proportional to 86,193,669.80, 118,949,776.28 and 47,037,968.61 is: 64,913,767.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,193,669.80 : 118,949,776.28 = 47,037,968.61 : x
  2. Step 2: Convert to fraction form
    86,193,669.80/118,949,776.28 = 47,037,968.61/x
  3. Step 3: Cross multiply
    86,193,669.80x = 118,949,776.28 × 47,037,968.61
  4. Step 4: Simplify right side
    86,193,669.80x = 5,595,155,842,589,973
  5. Step 5: Solve for x
    x = 5,595,155,842,589,973/86,193,669.80
  6. Step 6: Final answer
    x = 64,913,767.52

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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.