Home / 214,602,782.78-296,134,955.42-121,783,290.32

Finding the Fourth Proportional to 214,602,782.78, 296,134,955.42 and 121,783,290.32

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Solution

The fourth proportional to 214,602,782.78, 296,134,955.42 and 121,783,290.32 is: 168,051,358.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,602,782.78 : 296,134,955.42 = 121,783,290.32 : x
  2. Step 2: Convert to fraction form
    214,602,782.78/296,134,955.42 = 121,783,290.32/x
  3. Step 3: Cross multiply
    214,602,782.78x = 296,134,955.42 × 121,783,290.32
  4. Step 4: Simplify right side
    214,602,782.78x = 36,064,289,249,814,120
  5. Step 5: Solve for x
    x = 36,064,289,249,814,120/214,602,782.78
  6. Step 6: Final answer
    x = 168,051,358.81

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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.