Home / 299,657,789.36-449,522,667.48-105,529,055.12

Finding the Fourth Proportional to 299,657,789.36, 449,522,667.48 and 105,529,055.12

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Solution

The fourth proportional to 299,657,789.36, 449,522,667.48 and 105,529,055.12 is: 158,306,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,657,789.36 : 449,522,667.48 = 105,529,055.12 : x
  2. Step 2: Convert to fraction form
    299,657,789.36/449,522,667.48 = 105,529,055.12/x
  3. Step 3: Cross multiply
    299,657,789.36x = 449,522,667.48 × 105,529,055.12
  4. Step 4: Simplify right side
    299,657,789.36x = 47,437,702,354,186,352
  5. Step 5: Solve for x
    x = 47,437,702,354,186,352/299,657,789.36
  6. Step 6: Final answer
    x = 158,306,254.80

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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.