Home / 49,496,109.48-68,312,840.40-28,869,555.06

Finding the Fourth Proportional to 49,496,109.48, 68,312,840.40 and 28,869,555.06

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Solution

The fourth proportional to 49,496,109.48, 68,312,840.40 and 28,869,555.06 is: 39,844,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,496,109.48 : 68,312,840.40 = 28,869,555.06 : x
  2. Step 2: Convert to fraction form
    49,496,109.48/68,312,840.40 = 28,869,555.06/x
  3. Step 3: Cross multiply
    49,496,109.48x = 68,312,840.40 × 28,869,555.06
  4. Step 4: Simplify right side
    49,496,109.48x = 1,972,161,307,232,792.50
  5. Step 5: Solve for x
    x = 1,972,161,307,232,792.50/49,496,109.48
  6. Step 6: Final answer
    x = 39,844,774.22

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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.