Home / 298,956,740.10-448,435,110.15-137,713,604.10

Finding the Fourth Proportional to 298,956,740.10, 448,435,110.15 and 137,713,604.10

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Solution

The fourth proportional to 298,956,740.10, 448,435,110.15 and 137,713,604.10 is: 206,570,406.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,956,740.10 : 448,435,110.15 = 137,713,604.10 : x
  2. Step 2: Convert to fraction form
    298,956,740.10/448,435,110.15 = 137,713,604.10/x
  3. Step 3: Cross multiply
    298,956,740.10x = 448,435,110.15 × 137,713,604.10
  4. Step 4: Simplify right side
    298,956,740.10x = 61,755,615,223,736,984
  5. Step 5: Solve for x
    x = 61,755,615,223,736,984/298,956,740.10
  6. Step 6: Final answer
    x = 206,570,406.15

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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.