Home / 90,010,180.80-124,214,645.75-48,757,072.77

Finding the Fourth Proportional to 90,010,180.80, 124,214,645.75 and 48,757,072.77

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Solution

The fourth proportional to 90,010,180.80, 124,214,645.75 and 48,757,072.77 is: 67,285,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,010,180.80 : 124,214,645.75 = 48,757,072.77 : x
  2. Step 2: Convert to fraction form
    90,010,180.80/124,214,645.75 = 48,757,072.77/x
  3. Step 3: Cross multiply
    90,010,180.80x = 124,214,645.75 × 48,757,072.77
  4. Step 4: Simplify right side
    90,010,180.80x = 6,056,342,521,688,737
  5. Step 5: Solve for x
    x = 6,056,342,521,688,737/90,010,180.80
  6. Step 6: Final answer
    x = 67,285,083.40

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1.5x scale

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.