Home / 212,643,956.69-293,448,777.95-114,858,812.69

Finding the Fourth Proportional to 212,643,956.69, 293,448,777.95 and 114,858,812.69

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Solution

The fourth proportional to 212,643,956.69, 293,448,777.95 and 114,858,812.69 is: 158,505,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,643,956.69 : 293,448,777.95 = 114,858,812.69 : x
  2. Step 2: Convert to fraction form
    212,643,956.69/293,448,777.95 = 114,858,812.69/x
  3. Step 3: Cross multiply
    212,643,956.69x = 293,448,777.95 × 114,858,812.69
  4. Step 4: Simplify right side
    212,643,956.69x = 33,705,178,220,668,452
  5. Step 5: Solve for x
    x = 33,705,178,220,668,452/212,643,956.69
  6. Step 6: Final answer
    x = 158,505,225.10

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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.