Home / 66,135,828.02-91,311,979.14-59,144,815.22

Finding the Fourth Proportional to 66,135,828.02, 91,311,979.14 and 59,144,815.22

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Solution

The fourth proportional to 66,135,828.02, 91,311,979.14 and 59,144,815.22 is: 81,659,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,135,828.02 : 91,311,979.14 = 59,144,815.22 : x
  2. Step 2: Convert to fraction form
    66,135,828.02/91,311,979.14 = 59,144,815.22/x
  3. Step 3: Cross multiply
    66,135,828.02x = 91,311,979.14 × 59,144,815.22
  4. Step 4: Simplify right side
    66,135,828.02x = 5,400,630,133,151,235
  5. Step 5: Solve for x
    x = 5,400,630,133,151,235/66,135,828.02
  6. Step 6: Final answer
    x = 81,659,673.66

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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.