Home / 66,428,765.70-99,643,148.55-49,422,653.70

Finding the Fourth Proportional to 66,428,765.70, 99,643,148.55 and 49,422,653.70

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Solution

The fourth proportional to 66,428,765.70, 99,643,148.55 and 49,422,653.70 is: 74,133,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,428,765.70 : 99,643,148.55 = 49,422,653.70 : x
  2. Step 2: Convert to fraction form
    66,428,765.70/99,643,148.55 = 49,422,653.70/x
  3. Step 3: Cross multiply
    66,428,765.70x = 99,643,148.55 × 49,422,653.70
  4. Step 4: Simplify right side
    66,428,765.70x = 4,924,628,824,364,307
  5. Step 5: Solve for x
    x = 4,924,628,824,364,307/66,428,765.70
  6. Step 6: Final answer
    x = 74,133,980.55

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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.