Home / 216,345,125.72-298,556,535.93-117,225,796.45

Finding the Fourth Proportional to 216,345,125.72, 298,556,535.93 and 117,225,796.45

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Solution

The fourth proportional to 216,345,125.72, 298,556,535.93 and 117,225,796.45 is: 161,771,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,345,125.72 : 298,556,535.93 = 117,225,796.45 : x
  2. Step 2: Convert to fraction form
    216,345,125.72/298,556,535.93 = 117,225,796.45/x
  3. Step 3: Cross multiply
    216,345,125.72x = 298,556,535.93 × 117,225,796.45
  4. Step 4: Simplify right side
    216,345,125.72x = 34,998,527,709,000,904
  5. Step 5: Solve for x
    x = 34,998,527,709,000,904/216,345,125.72
  6. Step 6: Final answer
    x = 161,771,741.30

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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.