Home / 91,739,144.21-126,600,039.86-50,486,036.58

Finding the Fourth Proportional to 91,739,144.21, 126,600,039.86 and 50,486,036.58

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Solution

The fourth proportional to 91,739,144.21, 126,600,039.86 and 50,486,036.58 is: 69,670,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,739,144.21 : 126,600,039.86 = 50,486,036.58 : x
  2. Step 2: Convert to fraction form
    91,739,144.21/126,600,039.86 = 50,486,036.58/x
  3. Step 3: Cross multiply
    91,739,144.21x = 126,600,039.86 × 50,486,036.58
  4. Step 4: Simplify right side
    91,739,144.21x = 6,391,534,243,148,988
  5. Step 5: Solve for x
    x = 6,391,534,243,148,988/91,739,144.21
  6. Step 6: Final answer
    x = 69,670,741.96

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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.