Home / 262,357,603.80-393,774,351.30-133,055,165.40

Finding the Fourth Proportional to 262,357,603.80, 393,774,351.30 and 133,055,165.40

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Solution

The fourth proportional to 262,357,603.80, 393,774,351.30 and 133,055,165.40 is: 199,703,422.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,357,603.80 : 393,774,351.30 = 133,055,165.40 : x
  2. Step 2: Convert to fraction form
    262,357,603.80/393,774,351.30 = 133,055,165.40/x
  3. Step 3: Cross multiply
    262,357,603.80x = 393,774,351.30 × 133,055,165.40
  4. Step 4: Simplify right side
    262,357,603.80x = 52,393,711,442,499,208
  5. Step 5: Solve for x
    x = 52,393,711,442,499,208/262,357,603.80
  6. Step 6: Final answer
    x = 199,703,422.67

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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.