Home / 74,480,941.09-102,782,087.58-43,120,312.39

Finding the Fourth Proportional to 74,480,941.09, 102,782,087.58 and 43,120,312.39

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Solution

The fourth proportional to 74,480,941.09, 102,782,087.58 and 43,120,312.39 is: 59,505,098.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,480,941.09 : 102,782,087.58 = 43,120,312.39 : x
  2. Step 2: Convert to fraction form
    74,480,941.09/102,782,087.58 = 43,120,312.39/x
  3. Step 3: Cross multiply
    74,480,941.09x = 102,782,087.58 × 43,120,312.39
  4. Step 4: Simplify right side
    74,480,941.09x = 4,431,995,724,545,939
  5. Step 5: Solve for x
    x = 4,431,995,724,545,939/74,480,941.09
  6. Step 6: Final answer
    x = 59,505,098.35

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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.