Home / 137,831,491.53-190,208,733.95-75,954,044.49

Finding the Fourth Proportional to 137,831,491.53, 190,208,733.95 and 75,954,044.49

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Solution

The fourth proportional to 137,831,491.53, 190,208,733.95 and 75,954,044.49 is: 104,817,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,831,491.53 : 190,208,733.95 = 75,954,044.49 : x
  2. Step 2: Convert to fraction form
    137,831,491.53/190,208,733.95 = 75,954,044.49/x
  3. Step 3: Cross multiply
    137,831,491.53x = 190,208,733.95 × 75,954,044.49
  4. Step 4: Simplify right side
    137,831,491.53x = 14,447,122,640,445,102
  5. Step 5: Solve for x
    x = 14,447,122,640,445,102/137,831,491.53
  6. Step 6: Final answer
    x = 104,817,284.35

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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.