Home / 216,924,828.25-325,399,539.63-69,385,347.45

Finding the Fourth Proportional to 216,924,828.25, 325,399,539.63 and 69,385,347.45

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Solution

The fourth proportional to 216,924,828.25, 325,399,539.63 and 69,385,347.45 is: 104,081,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,924,828.25 : 325,399,539.63 = 69,385,347.45 : x
  2. Step 2: Convert to fraction form
    216,924,828.25/325,399,539.63 = 69,385,347.45/x
  3. Step 3: Cross multiply
    216,924,828.25x = 325,399,539.63 × 69,385,347.45
  4. Step 4: Simplify right side
    216,924,828.25x = 22,577,960,117,260,116
  5. Step 5: Solve for x
    x = 22,577,960,117,260,116/216,924,828.25
  6. Step 6: Final answer
    x = 104,081,954.56

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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.