Home / 87,357,352.32-120,556,792.32-48,201,669.12

Finding the Fourth Proportional to 87,357,352.32, 120,556,792.32 and 48,201,669.12

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Solution

The fourth proportional to 87,357,352.32, 120,556,792.32 and 48,201,669.12 is: 66,520,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,357,352.32 : 120,556,792.32 = 48,201,669.12 : x
  2. Step 2: Convert to fraction form
    87,357,352.32/120,556,792.32 = 48,201,669.12/x
  3. Step 3: Cross multiply
    87,357,352.32x = 120,556,792.32 × 48,201,669.12
  4. Step 4: Simplify right side
    87,357,352.32x = 5,811,038,613,577,196
  5. Step 5: Solve for x
    x = 5,811,038,613,577,196/87,357,352.32
  6. Step 6: Final answer
    x = 66,520,315.23

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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.