Home / 255,651,284.43-383,421,263.65-68,900,868.78

Finding the Fourth Proportional to 255,651,284.43, 383,421,263.65 and 68,900,868.78

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Solution

The fourth proportional to 255,651,284.43, 383,421,263.65 and 68,900,868.78 is: 103,336,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,651,284.43 : 383,421,263.65 = 68,900,868.78 : x
  2. Step 2: Convert to fraction form
    255,651,284.43/383,421,263.65 = 68,900,868.78/x
  3. Step 3: Cross multiply
    255,651,284.43x = 383,421,263.65 × 68,900,868.78
  4. Step 4: Simplify right side
    255,651,284.43x = 26,418,058,172,600,352
  5. Step 5: Solve for x
    x = 26,418,058,172,600,352/255,651,284.43
  6. Step 6: Final answer
    x = 103,336,301.37

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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.