Home / 46,195,454,990.64-69,282,087,566.04-21,328,223,628.72

Finding the Fourth Proportional to 46,195,454,990.64, 69,282,087,566.04 and 21,328,223,628.72

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Solution

The fourth proportional to 46,195,454,990.64, 69,282,087,566.04 and 21,328,223,628.72 is: 31,987,212,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,195,454,990.64 : 69,282,087,566.04 = 21,328,223,628.72 : x
  2. Step 2: Convert to fraction form
    46,195,454,990.64/69,282,087,566.04 = 21,328,223,628.72/x
  3. Step 3: Cross multiply
    46,195,454,990.64x = 69,282,087,566.04 × 21,328,223,628.72
  4. Step 4: Simplify right side
    46,195,454,990.64x = 1,477,663,857,073,062,412,288
  5. Step 5: Solve for x
    x = 1,477,663,857,073,062,412,288/46,195,454,990.64
  6. Step 6: Final answer
    x = 31,987,212,970.90

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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.