Home / 86,196,827-118,954,147.89-47,041,121.36

Finding the Fourth Proportional to 86,196,827, 118,954,147.89 and 47,041,121.36

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Solution

The fourth proportional to 86,196,827, 118,954,147.89 and 47,041,121.36 is: 64,918,126.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,196,827 : 118,954,147.89 = 47,041,121.36 : x
  2. Step 2: Convert to fraction form
    86,196,827/118,954,147.89 = 47,041,121.36/x
  3. Step 3: Cross multiply
    86,196,827x = 118,954,147.89 × 47,041,121.36
  4. Step 4: Simplify right side
    86,196,827x = 5,595,736,507,168,878
  5. Step 5: Solve for x
    x = 5,595,736,507,168,878/86,196,827
  6. Step 6: Final answer
    x = 64,918,126.36

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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.