Home / 86,015,950.40-118,701,959.22-47,384,782.40

Finding the Fourth Proportional to 86,015,950.40, 118,701,959.22 and 47,384,782.40

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Solution

The fourth proportional to 86,015,950.40, 118,701,959.22 and 47,384,782.40 is: 65,390,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,015,950.40 : 118,701,959.22 = 47,384,782.40 : x
  2. Step 2: Convert to fraction form
    86,015,950.40/118,701,959.22 = 47,384,782.40/x
  3. Step 3: Cross multiply
    86,015,950.40x = 118,701,959.22 × 47,384,782.40
  4. Step 4: Simplify right side
    86,015,950.40x = 5,624,666,508,093,373
  5. Step 5: Solve for x
    x = 5,624,666,508,093,373/86,015,950.40
  6. Step 6: Final answer
    x = 65,390,970.88

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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.