Home / 74,902,936.50-112,354,404.76-21,050,248.50

Finding the Fourth Proportional to 74,902,936.50, 112,354,404.76 and 21,050,248.50

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Solution

The fourth proportional to 74,902,936.50, 112,354,404.76 and 21,050,248.50 is: 31,575,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902,936.50 : 112,354,404.76 = 21,050,248.50 : x
  2. Step 2: Convert to fraction form
    74,902,936.50/112,354,404.76 = 21,050,248.50/x
  3. Step 3: Cross multiply
    74,902,936.50x = 112,354,404.76 × 21,050,248.50
  4. Step 4: Simplify right side
    74,902,936.50x = 2,365,088,140,267,583
  5. Step 5: Solve for x
    x = 2,365,088,140,267,583/74,902,936.50
  6. Step 6: Final answer
    x = 31,575,372.75

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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.