Home / 299,004,072.90-448,590,090.15-145,655,132.10

Finding the Fourth Proportional to 299,004,072.90, 448,590,090.15 and 145,655,132.10

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Solution

The fourth proportional to 299,004,072.90, 448,590,090.15 and 145,655,132.10 is: 218,523,608.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,004,072.90 : 448,590,090.15 = 145,655,132.10 : x
  2. Step 2: Convert to fraction form
    299,004,072.90/448,590,090.15 = 145,655,132.10/x
  3. Step 3: Cross multiply
    299,004,072.90x = 448,590,090.15 × 145,655,132.10
  4. Step 4: Simplify right side
    299,004,072.90x = 65,339,448,839,549,152
  5. Step 5: Solve for x
    x = 65,339,448,839,549,152/299,004,072.90
  6. Step 6: Final answer
    x = 218,523,608.08

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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.