Home / 46,151,405.79-69,201,551.54-18,876,851.30

Finding the Fourth Proportional to 46,151,405.79, 69,201,551.54 and 18,876,851.30

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Solution

The fourth proportional to 46,151,405.79, 69,201,551.54 and 18,876,851.30 is: 28,304,823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,151,405.79 : 69,201,551.54 = 18,876,851.30 : x
  2. Step 2: Convert to fraction form
    46,151,405.79/69,201,551.54 = 18,876,851.30/x
  3. Step 3: Cross multiply
    46,151,405.79x = 69,201,551.54 × 18,876,851.30
  4. Step 4: Simplify right side
    46,151,405.79x = 1,306,307,397,980,803.25
  5. Step 5: Solve for x
    x = 1,306,307,397,980,803.25/46,151,405.79
  6. Step 6: Final answer
    x = 28,304,823.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.