Home / 248,586,675.07-342,989,620.60-160,461,799.78

Finding the Fourth Proportional to 248,586,675.07, 342,989,620.60 and 160,461,799.78

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Solution

The fourth proportional to 248,586,675.07, 342,989,620.60 and 160,461,799.78 is: 221,398,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,586,675.07 : 342,989,620.60 = 160,461,799.78 : x
  2. Step 2: Convert to fraction form
    248,586,675.07/342,989,620.60 = 160,461,799.78/x
  3. Step 3: Cross multiply
    248,586,675.07x = 342,989,620.60 × 160,461,799.78
  4. Step 4: Simplify right side
    248,586,675.07x = 55,036,731,824,818,112
  5. Step 5: Solve for x
    x = 55,036,731,824,818,112/248,586,675.07
  6. Step 6: Final answer
    x = 221,398,559.72

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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.