Home / 163,877,628.84-245,795,185.44-77,670,812.76

Finding the Fourth Proportional to 163,877,628.84, 245,795,185.44 and 77,670,812.76

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Solution

The fourth proportional to 163,877,628.84, 245,795,185.44 and 77,670,812.76 is: 116,496,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,877,628.84 : 245,795,185.44 = 77,670,812.76 : x
  2. Step 2: Convert to fraction form
    163,877,628.84/245,795,185.44 = 77,670,812.76/x
  3. Step 3: Cross multiply
    163,877,628.84x = 245,795,185.44 × 77,670,812.76
  4. Step 4: Simplify right side
    163,877,628.84x = 19,091,111,825,619,720
  5. Step 5: Solve for x
    x = 19,091,111,825,619,720/163,877,628.84
  6. Step 6: Final answer
    x = 116,496,143.87

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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.