Home / 91,768,030.21-126,642,492.27-49,954,792.09

Finding the Fourth Proportional to 91,768,030.21, 126,642,492.27 and 49,954,792.09

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Solution

The fourth proportional to 91,768,030.21, 126,642,492.27 and 49,954,792.09 is: 68,939,034.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,768,030.21 : 126,642,492.27 = 49,954,792.09 : x
  2. Step 2: Convert to fraction form
    91,768,030.21/126,642,492.27 = 49,954,792.09/x
  3. Step 3: Cross multiply
    91,768,030.21x = 126,642,492.27 × 49,954,792.09
  4. Step 4: Simplify right side
    91,768,030.21x = 6,326,399,370,224,296
  5. Step 5: Solve for x
    x = 6,326,399,370,224,296/91,768,030.21
  6. Step 6: Final answer
    x = 68,939,034.17

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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.