Home / 103,101,285.42-142,284,881.43-63,955,674.86

Finding the Fourth Proportional to 103,101,285.42, 142,284,881.43 and 63,955,674.86

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Solution

The fourth proportional to 103,101,285.42, 142,284,881.43 and 63,955,674.86 is: 88,261,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,101,285.42 : 142,284,881.43 = 63,955,674.86 : x
  2. Step 2: Convert to fraction form
    103,101,285.42/142,284,881.43 = 63,955,674.86/x
  3. Step 3: Cross multiply
    103,101,285.42x = 142,284,881.43 × 63,955,674.86
  4. Step 4: Simplify right side
    103,101,285.42x = 9,099,925,613,519,308
  5. Step 5: Solve for x
    x = 9,099,925,613,519,308/103,101,285.42
  6. Step 6: Final answer
    x = 88,261,999.61

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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.