Home / 86,771,609.24-130,065,904.31-28,464,061.57

Finding the Fourth Proportional to 86,771,609.24, 130,065,904.31 and 28,464,061.57

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Solution

The fourth proportional to 86,771,609.24, 130,065,904.31 and 28,464,061.57 is: 42,666,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,771,609.24 : 130,065,904.31 = 28,464,061.57 : x
  2. Step 2: Convert to fraction form
    86,771,609.24/130,065,904.31 = 28,464,061.57/x
  3. Step 3: Cross multiply
    86,771,609.24x = 130,065,904.31 × 28,464,061.57
  4. Step 4: Simplify right side
    86,771,609.24x = 3,702,203,907,970,083.50
  5. Step 5: Solve for x
    x = 3,702,203,907,970,083.50/86,771,609.24
  6. Step 6: Final answer
    x = 42,666,074.08

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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.