Home / 66,879,566,814.94-100,328,774,025.89-21,485,053,477.26

Finding the Fourth Proportional to 66,879,566,814.94, 100,328,774,025.89 and 21,485,053,477.26

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Solution

The fourth proportional to 66,879,566,814.94, 100,328,774,025.89 and 21,485,053,477.26 is: 32,230,607,611.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,879,566,814.94 : 100,328,774,025.89 = 21,485,053,477.26 : x
  2. Step 2: Convert to fraction form
    66,879,566,814.94/100,328,774,025.89 = 21,485,053,477.26/x
  3. Step 3: Cross multiply
    66,879,566,814.94x = 100,328,774,025.89 × 21,485,053,477.26
  4. Step 4: Simplify right side
    66,879,566,814.94x = 2,155,569,075,254,180,446,208
  5. Step 5: Solve for x
    x = 2,155,569,075,254,180,446,208/66,879,566,814.94
  6. Step 6: Final answer
    x = 32,230,607,611.72

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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.