Home / 45,901,889.37-68,861,920.69-13,112,741.24

Finding the Fourth Proportional to 45,901,889.37, 68,861,920.69 and 13,112,741.24

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Solution

The fourth proportional to 45,901,889.37, 68,861,920.69 and 13,112,741.24 is: 19,671,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,901,889.37 : 68,861,920.69 = 13,112,741.24 : x
  2. Step 2: Convert to fraction form
    45,901,889.37/68,861,920.69 = 13,112,741.24/x
  3. Step 3: Cross multiply
    45,901,889.37x = 68,861,920.69 × 13,112,741.24
  4. Step 4: Simplify right side
    45,901,889.37x = 902,968,547,651,933.38
  5. Step 5: Solve for x
    x = 902,968,547,651,933.38/45,901,889.37
  6. Step 6: Final answer
    x = 19,671,707.64

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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.