Home / 78,684,034.07-108,584,071.61-43,401,047.91

Finding the Fourth Proportional to 78,684,034.07, 108,584,071.61 and 43,401,047.91

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Solution

The fourth proportional to 78,684,034.07, 108,584,071.61 and 43,401,047.91 is: 59,893,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,684,034.07 : 108,584,071.61 = 43,401,047.91 : x
  2. Step 2: Convert to fraction form
    78,684,034.07/108,584,071.61 = 43,401,047.91/x
  3. Step 3: Cross multiply
    78,684,034.07x = 108,584,071.61 × 43,401,047.91
  4. Step 4: Simplify right side
    78,684,034.07x = 4,712,662,494,208,480
  5. Step 5: Solve for x
    x = 4,712,662,494,208,480/78,684,034.07
  6. Step 6: Final answer
    x = 59,893,503.81

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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.