Home / 56,926,015.14-78,556,948.29-30,820,321.02

Finding the Fourth Proportional to 56,926,015.14, 78,556,948.29 and 30,820,321.02

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Solution

The fourth proportional to 56,926,015.14, 78,556,948.29 and 30,820,321.02 is: 42,531,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,926,015.14 : 78,556,948.29 = 30,820,321.02 : x
  2. Step 2: Convert to fraction form
    56,926,015.14/78,556,948.29 = 30,820,321.02/x
  3. Step 3: Cross multiply
    56,926,015.14x = 78,556,948.29 × 30,820,321.02
  4. Step 4: Simplify right side
    56,926,015.14x = 2,421,150,364,649,340
  5. Step 5: Solve for x
    x = 2,421,150,364,649,340/56,926,015.14
  6. Step 6: Final answer
    x = 42,531,527.26

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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.