Home / 255,318,480.76-382,427,632.32-172,985,629

Finding the Fourth Proportional to 255,318,480.76, 382,427,632.32 and 172,985,629

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Solution

The fourth proportional to 255,318,480.76, 382,427,632.32 and 172,985,629 is: 259,105,742.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,318,480.76 : 382,427,632.32 = 172,985,629 : x
  2. Step 2: Convert to fraction form
    255,318,480.76/382,427,632.32 = 172,985,629/x
  3. Step 3: Cross multiply
    255,318,480.76x = 382,427,632.32 × 172,985,629
  4. Step 4: Simplify right side
    255,318,480.76x = 66,154,484,523,855,928
  5. Step 5: Solve for x
    x = 66,154,484,523,855,928/255,318,480.76
  6. Step 6: Final answer
    x = 259,105,742.47

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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.