Home / 51,111,036.21-70,532,265.81-31,263,341.28

Finding the Fourth Proportional to 51,111,036.21, 70,532,265.81 and 31,263,341.28

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Solution

The fourth proportional to 51,111,036.21, 70,532,265.81 and 31,263,341.28 is: 43,142,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,111,036.21 : 70,532,265.81 = 31,263,341.28 : x
  2. Step 2: Convert to fraction form
    51,111,036.21/70,532,265.81 = 31,263,341.28/x
  3. Step 3: Cross multiply
    51,111,036.21x = 70,532,265.81 × 31,263,341.28
  4. Step 4: Simplify right side
    51,111,036.21x = 2,205,074,297,269,705.75
  5. Step 5: Solve for x
    x = 2,205,074,297,269,705.75/51,111,036.21
  6. Step 6: Final answer
    x = 43,142,821.21

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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.