Home / 310,647,526.31-428,702,697.09-169,527,858.41

Finding the Fourth Proportional to 310,647,526.31, 428,702,697.09 and 169,527,858.41

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Solution

The fourth proportional to 310,647,526.31, 428,702,697.09 and 169,527,858.41 is: 233,953,416.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,647,526.31 : 428,702,697.09 = 169,527,858.41 : x
  2. Step 2: Convert to fraction form
    310,647,526.31/428,702,697.09 = 169,527,858.41/x
  3. Step 3: Cross multiply
    310,647,526.31x = 428,702,697.09 × 169,527,858.41
  4. Step 4: Simplify right side
    310,647,526.31x = 72,677,050,132,258,640
  5. Step 5: Solve for x
    x = 72,677,050,132,258,640/310,647,526.31
  6. Step 6: Final answer
    x = 233,953,416.58

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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.