Home / 255,636,010.20-383,454,015.30-163,803,005.40

Finding the Fourth Proportional to 255,636,010.20, 383,454,015.30 and 163,803,005.40

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Solution

The fourth proportional to 255,636,010.20, 383,454,015.30 and 163,803,005.40 is: 245,704,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,636,010.20 : 383,454,015.30 = 163,803,005.40 : x
  2. Step 2: Convert to fraction form
    255,636,010.20/383,454,015.30 = 163,803,005.40/x
  3. Step 3: Cross multiply
    255,636,010.20x = 383,454,015.30 × 163,803,005.40
  4. Step 4: Simplify right side
    255,636,010.20x = 62,810,920,138,837,584
  5. Step 5: Solve for x
    x = 62,810,920,138,837,584/255,636,010.20
  6. Step 6: Final answer
    x = 245,704,508.10

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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.