Home / 282,796,400.98-390,252,913.44-163,724,013.89

Finding the Fourth Proportional to 282,796,400.98, 390,252,913.44 and 163,724,013.89

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Solution

The fourth proportional to 282,796,400.98, 390,252,913.44 and 163,724,013.89 is: 225,935,596.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,796,400.98 : 390,252,913.44 = 163,724,013.89 : x
  2. Step 2: Convert to fraction form
    282,796,400.98/390,252,913.44 = 163,724,013.89/x
  3. Step 3: Cross multiply
    282,796,400.98x = 390,252,913.44 × 163,724,013.89
  4. Step 4: Simplify right side
    282,796,400.98x = 63,893,773,419,561,736
  5. Step 5: Solve for x
    x = 63,893,773,419,561,736/282,796,400.98
  6. Step 6: Final answer
    x = 225,935,596.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.