Home / 66,095,769,817.18-99,163,106,455.80-21,326,426,659.56

Finding the Fourth Proportional to 66,095,769,817.18, 99,163,106,455.80 and 21,326,426,659.56

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Solution

The fourth proportional to 66,095,769,817.18, 99,163,106,455.80 and 21,326,426,659.56 is: 31,995,916,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,095,769,817.18 : 99,163,106,455.80 = 21,326,426,659.56 : x
  2. Step 2: Convert to fraction form
    66,095,769,817.18/99,163,106,455.80 = 21,326,426,659.56/x
  3. Step 3: Cross multiply
    66,095,769,817.18x = 99,163,106,455.80 × 21,326,426,659.56
  4. Step 4: Simplify right side
    66,095,769,817.18x = 2,114,794,717,163,759,599,616
  5. Step 5: Solve for x
    x = 2,114,794,717,163,759,599,616/66,095,769,817.18
  6. Step 6: Final answer
    x = 31,995,916,274.42

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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.