Home / 42,385,216.82-63,485,131.59-30,051,795.26

Finding the Fourth Proportional to 42,385,216.82, 63,485,131.59 and 30,051,795.26

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Solution

The fourth proportional to 42,385,216.82, 63,485,131.59 and 30,051,795.26 is: 45,011,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,385,216.82 : 63,485,131.59 = 30,051,795.26 : x
  2. Step 2: Convert to fraction form
    42,385,216.82/63,485,131.59 = 30,051,795.26/x
  3. Step 3: Cross multiply
    42,385,216.82x = 63,485,131.59 × 30,051,795.26
  4. Step 4: Simplify right side
    42,385,216.82x = 1,907,842,176,596,838.50
  5. Step 5: Solve for x
    x = 1,907,842,176,596,838.50/42,385,216.82
  6. Step 6: Final answer
    x = 45,011,971.62

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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.