Home / 49,854,220.80-74,781,331.20-31,163,827.20

Finding the Fourth Proportional to 49,854,220.80, 74,781,331.20 and 31,163,827.20

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Solution

The fourth proportional to 49,854,220.80, 74,781,331.20 and 31,163,827.20 is: 46,745,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,854,220.80 : 74,781,331.20 = 31,163,827.20 : x
  2. Step 2: Convert to fraction form
    49,854,220.80/74,781,331.20 = 31,163,827.20/x
  3. Step 3: Cross multiply
    49,854,220.80x = 74,781,331.20 × 31,163,827.20
  4. Step 4: Simplify right side
    49,854,220.80x = 2,330,472,483,302,768.50
  5. Step 5: Solve for x
    x = 2,330,472,483,302,768.50/49,854,220.80
  6. Step 6: Final answer
    x = 46,745,740.80

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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.