Home / 216,959,025.81-299,405,654.87-117,840,730.89

Finding the Fourth Proportional to 216,959,025.81, 299,405,654.87 and 117,840,730.89

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Solution

The fourth proportional to 216,959,025.81, 299,405,654.87 and 117,840,730.89 is: 162,621,403.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,959,025.81 : 299,405,654.87 = 117,840,730.89 : x
  2. Step 2: Convert to fraction form
    216,959,025.81/299,405,654.87 = 117,840,730.89/x
  3. Step 3: Cross multiply
    216,959,025.81x = 299,405,654.87 × 117,840,730.89
  4. Step 4: Simplify right side
    216,959,025.81x = 35,282,181,201,890,684
  5. Step 5: Solve for x
    x = 35,282,181,201,890,684/216,959,025.81
  6. Step 6: Final answer
    x = 162,621,403.14

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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.