Home / 66,095,769,776.12-99,163,106,394.32-21,326,426,618.51

Finding the Fourth Proportional to 66,095,769,776.12, 99,163,106,394.32 and 21,326,426,618.51

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Solution

The fourth proportional to 66,095,769,776.12, 99,163,106,394.32 and 21,326,426,618.51 is: 31,995,916,212.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,095,769,776.12 : 99,163,106,394.32 = 21,326,426,618.51 : x
  2. Step 2: Convert to fraction form
    66,095,769,776.12/99,163,106,394.32 = 21,326,426,618.51/x
  3. Step 3: Cross multiply
    66,095,769,776.12x = 99,163,106,394.32 × 21,326,426,618.51
  4. Step 4: Simplify right side
    66,095,769,776.12x = 2,114,794,711,781,668,028,416
  5. Step 5: Solve for x
    x = 2,114,794,711,781,668,028,416/66,095,769,776.12
  6. Step 6: Final answer
    x = 31,995,916,212.87

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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.