Home / 137,880,297.63-190,269,085.34-75,155,015.26

Finding the Fourth Proportional to 137,880,297.63, 190,269,085.34 and 75,155,015.26

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Solution

The fourth proportional to 137,880,297.63, 190,269,085.34 and 75,155,015.26 is: 103,710,800.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,880,297.63 : 190,269,085.34 = 75,155,015.26 : x
  2. Step 2: Convert to fraction form
    137,880,297.63/190,269,085.34 = 75,155,015.26/x
  3. Step 3: Cross multiply
    137,880,297.63x = 190,269,085.34 × 75,155,015.26
  4. Step 4: Simplify right side
    137,880,297.63x = 14,299,676,010,906,822
  5. Step 5: Solve for x
    x = 14,299,676,010,906,822/137,880,297.63
  6. Step 6: Final answer
    x = 103,710,800.29

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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.