Home / 66,948,742.32-100,461,857.55-28,083,713.67

Finding the Fourth Proportional to 66,948,742.32, 100,461,857.55 and 28,083,713.67

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Solution

The fourth proportional to 66,948,742.32, 100,461,857.55 and 28,083,713.67 is: 42,141,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,948,742.32 : 100,461,857.55 = 28,083,713.67 : x
  2. Step 2: Convert to fraction form
    66,948,742.32/100,461,857.55 = 28,083,713.67/x
  3. Step 3: Cross multiply
    66,948,742.32x = 100,461,857.55 × 28,083,713.67
  4. Step 4: Simplify right side
    66,948,742.32x = 2,821,342,042,190,528
  5. Step 5: Solve for x
    x = 2,821,342,042,190,528/66,948,742.32
  6. Step 6: Final answer
    x = 42,141,822.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.