Home / 52,196,186.21-78,304,362.05-19,845,573.39

Finding the Fourth Proportional to 52,196,186.21, 78,304,362.05 and 19,845,573.39

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Solution

The fourth proportional to 52,196,186.21, 78,304,362.05 and 19,845,573.39 is: 29,772,193.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,196,186.21 : 78,304,362.05 = 19,845,573.39 : x
  2. Step 2: Convert to fraction form
    52,196,186.21/78,304,362.05 = 19,845,573.39/x
  3. Step 3: Cross multiply
    52,196,186.21x = 78,304,362.05 × 19,845,573.39
  4. Step 4: Simplify right side
    52,196,186.21x = 1,553,994,963,870,019.75
  5. Step 5: Solve for x
    x = 1,553,994,963,870,019.75/52,196,186.21
  6. Step 6: Final answer
    x = 29,772,193.66

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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.