Home / 299,974,341.47-449,916,048.41-81,641,697.32

Finding the Fourth Proportional to 299,974,341.47, 449,916,048.41 and 81,641,697.32

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Solution

The fourth proportional to 299,974,341.47, 449,916,048.41 and 81,641,697.32 is: 122,450,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,974,341.47 : 449,916,048.41 = 81,641,697.32 : x
  2. Step 2: Convert to fraction form
    299,974,341.47/449,916,048.41 = 81,641,697.32/x
  3. Step 3: Cross multiply
    299,974,341.47x = 449,916,048.41 × 81,641,697.32
  4. Step 4: Simplify right side
    299,974,341.47x = 36,731,909,844,416,272
  5. Step 5: Solve for x
    x = 36,731,909,844,416,272/299,974,341.47
  6. Step 6: Final answer
    x = 122,450,172.45

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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.