Home / 255,321,291.48-383,035,741.47-82,784,651.10

Finding the Fourth Proportional to 255,321,291.48, 383,035,741.47 and 82,784,651.10

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Solution

The fourth proportional to 255,321,291.48, 383,035,741.47 and 82,784,651.10 is: 124,194,421.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,321,291.48 : 383,035,741.47 = 82,784,651.10 : x
  2. Step 2: Convert to fraction form
    255,321,291.48/383,035,741.47 = 82,784,651.10/x
  3. Step 3: Cross multiply
    255,321,291.48x = 383,035,741.47 × 82,784,651.10
  4. Step 4: Simplify right side
    255,321,291.48x = 31,709,480,216,423,752
  5. Step 5: Solve for x
    x = 31,709,480,216,423,752/255,321,291.48
  6. Step 6: Final answer
    x = 124,194,421.99

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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.