Home / 66,423,017.30-91,663,509.38-37,054,326.47

Finding the Fourth Proportional to 66,423,017.30, 91,663,509.38 and 37,054,326.47

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Solution

The fourth proportional to 66,423,017.30, 91,663,509.38 and 37,054,326.47 is: 51,134,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423,017.30 : 91,663,509.38 = 37,054,326.47 : x
  2. Step 2: Convert to fraction form
    66,423,017.30/91,663,509.38 = 37,054,326.47/x
  3. Step 3: Cross multiply
    66,423,017.30x = 91,663,509.38 × 37,054,326.47
  4. Step 4: Simplify right side
    66,423,017.30x = 3,396,529,601,308,838.50
  5. Step 5: Solve for x
    x = 3,396,529,601,308,838.50/66,423,017.30
  6. Step 6: Final answer
    x = 51,134,828.55

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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.