Home / 66,879,566,813.25-100,328,774,023.35-21,485,053,475.57

Finding the Fourth Proportional to 66,879,566,813.25, 100,328,774,023.35 and 21,485,053,475.57

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Solution

The fourth proportional to 66,879,566,813.25, 100,328,774,023.35 and 21,485,053,475.57 is: 32,230,607,609.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,879,566,813.25 : 100,328,774,023.35 = 21,485,053,475.57 : x
  2. Step 2: Convert to fraction form
    66,879,566,813.25/100,328,774,023.35 = 21,485,053,475.57/x
  3. Step 3: Cross multiply
    66,879,566,813.25x = 100,328,774,023.35 × 21,485,053,475.57
  4. Step 4: Simplify right side
    66,879,566,813.25x = 2,155,569,075,029,852,553,216
  5. Step 5: Solve for x
    x = 2,155,569,075,029,852,553,216/66,879,566,813.25
  6. Step 6: Final answer
    x = 32,230,607,609.18

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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.