Home / 66,954,547.40-100,406,937.90-26,556,672.20

Finding the Fourth Proportional to 66,954,547.40, 100,406,937.90 and 26,556,672.20

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Solution

The fourth proportional to 66,954,547.40, 100,406,937.90 and 26,556,672.20 is: 39,825,138.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,954,547.40 : 100,406,937.90 = 26,556,672.20 : x
  2. Step 2: Convert to fraction form
    66,954,547.40/100,406,937.90 = 26,556,672.20/x
  3. Step 3: Cross multiply
    66,954,547.40x = 100,406,937.90 × 26,556,672.20
  4. Step 4: Simplify right side
    66,954,547.40x = 2,666,474,136,416,056.50
  5. Step 5: Solve for x
    x = 2,666,474,136,416,056.50/66,954,547.40
  6. Step 6: Final answer
    x = 39,825,138.69

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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.