Home / 86,574,031-119,475,918.30-47,942,863

Finding the Fourth Proportional to 86,574,031, 119,475,918.30 and 47,942,863

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Solution

The fourth proportional to 86,574,031, 119,475,918.30 and 47,942,863 is: 66,163,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,574,031 : 119,475,918.30 = 47,942,863 : x
  2. Step 2: Convert to fraction form
    86,574,031/119,475,918.30 = 47,942,863/x
  3. Step 3: Cross multiply
    86,574,031x = 119,475,918.30 × 47,942,863
  4. Step 4: Simplify right side
    86,574,031x = 5,728,017,582,856,093
  5. Step 5: Solve for x
    x = 5,728,017,582,856,093/86,574,031
  6. Step 6: Final answer
    x = 66,163,230.67

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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.