Home / 298,954,970.10-448,432,455.15-83,544,218.10

Finding the Fourth Proportional to 298,954,970.10, 448,432,455.15 and 83,544,218.10

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Solution

The fourth proportional to 298,954,970.10, 448,432,455.15 and 83,544,218.10 is: 125,316,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,954,970.10 : 448,432,455.15 = 83,544,218.10 : x
  2. Step 2: Convert to fraction form
    298,954,970.10/448,432,455.15 = 83,544,218.10/x
  3. Step 3: Cross multiply
    298,954,970.10x = 448,432,455.15 × 83,544,218.10
  4. Step 4: Simplify right side
    298,954,970.10x = 37,463,938,836,170,064
  5. Step 5: Solve for x
    x = 37,463,938,836,170,064/298,954,970.10
  6. Step 6: Final answer
    x = 125,316,327.15

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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.