Home / 66,954,639.40-100,407,075.90-26,556,764.20

Finding the Fourth Proportional to 66,954,639.40, 100,407,075.90 and 26,556,764.20

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Solution

The fourth proportional to 66,954,639.40, 100,407,075.90 and 26,556,764.20 is: 39,825,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,954,639.40 : 100,407,075.90 = 26,556,764.20 : x
  2. Step 2: Convert to fraction form
    66,954,639.40/100,407,075.90 = 26,556,764.20/x
  3. Step 3: Cross multiply
    66,954,639.40x = 100,407,075.90 × 26,556,764.20
  4. Step 4: Simplify right side
    66,954,639.40x = 2,666,487,038,687,803
  5. Step 5: Solve for x
    x = 2,666,487,038,687,803/66,954,639.40
  6. Step 6: Final answer
    x = 39,825,276.67

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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.