Home / 208,713,110.43-288,050,664.38-126,207,485.67

Finding the Fourth Proportional to 208,713,110.43, 288,050,664.38 and 126,207,485.67

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Solution

The fourth proportional to 208,713,110.43, 288,050,664.38 and 126,207,485.67 is: 174,182,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,713,110.43 : 288,050,664.38 = 126,207,485.67 : x
  2. Step 2: Convert to fraction form
    208,713,110.43/288,050,664.38 = 126,207,485.67/x
  3. Step 3: Cross multiply
    208,713,110.43x = 288,050,664.38 × 126,207,485.67
  4. Step 4: Simplify right side
    208,713,110.43x = 36,354,150,096,341,792
  5. Step 5: Solve for x
    x = 36,354,150,096,341,792/208,713,110.43
  6. Step 6: Final answer
    x = 174,182,398.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.