Home / 210,374,794.56-290,311,647.04-117,556,065.12

Finding the Fourth Proportional to 210,374,794.56, 290,311,647.04 and 117,556,065.12

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Solution

The fourth proportional to 210,374,794.56, 290,311,647.04 and 117,556,065.12 is: 162,224,257.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,374,794.56 : 290,311,647.04 = 117,556,065.12 : x
  2. Step 2: Convert to fraction form
    210,374,794.56/290,311,647.04 = 117,556,065.12/x
  3. Step 3: Cross multiply
    210,374,794.56x = 290,311,647.04 × 117,556,065.12
  4. Step 4: Simplify right side
    210,374,794.56x = 34,127,894,884,528,700
  5. Step 5: Solve for x
    x = 34,127,894,884,528,700/210,374,794.56
  6. Step 6: Final answer
    x = 162,224,257.69

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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.