Home / 105,185,775.38-157,661,422.59-43,740,523.22

Finding the Fourth Proportional to 105,185,775.38, 157,661,422.59 and 43,740,523.22

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Solution

The fourth proportional to 105,185,775.38, 157,661,422.59 and 43,740,523.22 is: 65,562,031.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,185,775.38 : 157,661,422.59 = 43,740,523.22 : x
  2. Step 2: Convert to fraction form
    105,185,775.38/157,661,422.59 = 43,740,523.22/x
  3. Step 3: Cross multiply
    105,185,775.38x = 157,661,422.59 × 43,740,523.22
  4. Step 4: Simplify right side
    105,185,775.38x = 6,896,193,115,696,128
  5. Step 5: Solve for x
    x = 6,896,193,115,696,128/105,185,775.38
  6. Step 6: Final answer
    x = 65,562,031.47

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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.