Home / 74,902,930.50-112,354,395.75-21,050,242.50

Finding the Fourth Proportional to 74,902,930.50, 112,354,395.75 and 21,050,242.50

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Solution

The fourth proportional to 74,902,930.50, 112,354,395.75 and 21,050,242.50 is: 31,575,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902,930.50 : 112,354,395.75 = 21,050,242.50 : x
  2. Step 2: Convert to fraction form
    74,902,930.50/112,354,395.75 = 21,050,242.50/x
  3. Step 3: Cross multiply
    74,902,930.50x = 112,354,395.75 × 21,050,242.50
  4. Step 4: Simplify right side
    74,902,930.50x = 2,365,087,276,478,469.50
  5. Step 5: Solve for x
    x = 2,365,087,276,478,469.50/74,902,930.50
  6. Step 6: Final answer
    x = 31,575,363.75

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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.