Home / 66,879,566,815.24-100,328,774,026.36-21,485,053,477.56

Finding the Fourth Proportional to 66,879,566,815.24, 100,328,774,026.36 and 21,485,053,477.56

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Solution

The fourth proportional to 66,879,566,815.24, 100,328,774,026.36 and 21,485,053,477.56 is: 32,230,607,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,879,566,815.24 : 100,328,774,026.36 = 21,485,053,477.56 : x
  2. Step 2: Convert to fraction form
    66,879,566,815.24/100,328,774,026.36 = 21,485,053,477.56/x
  3. Step 3: Cross multiply
    66,879,566,815.24x = 100,328,774,026.36 × 21,485,053,477.56
  4. Step 4: Simplify right side
    66,879,566,815.24x = 2,155,569,075,294,377,345,024
  5. Step 5: Solve for x
    x = 2,155,569,075,294,377,345,024/66,879,566,815.24
  6. Step 6: Final answer
    x = 32,230,607,612.18

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1.5x scale

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.