Home / 137,813,974.86-190,180,880.20-75,090,592

Finding the Fourth Proportional to 137,813,974.86, 190,180,880.20 and 75,090,592

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Solution

The fourth proportional to 137,813,974.86, 190,180,880.20 and 75,090,592 is: 103,623,706.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,813,974.86 : 190,180,880.20 = 75,090,592 : x
  2. Step 2: Convert to fraction form
    137,813,974.86/190,180,880.20 = 75,090,592/x
  3. Step 3: Cross multiply
    137,813,974.86x = 190,180,880.20 × 75,090,592
  4. Step 4: Simplify right side
    137,813,974.86x = 14,280,794,881,299,078
  5. Step 5: Solve for x
    x = 14,280,794,881,299,078/137,813,974.86
  6. Step 6: Final answer
    x = 103,623,706.50

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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.