Home / 137,844,204.49-190,219,463.91-75,118,970.49

Finding the Fourth Proportional to 137,844,204.49, 190,219,463.91 and 75,118,970.49

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Solution

The fourth proportional to 137,844,204.49, 190,219,463.91 and 75,118,970.49 is: 103,661,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,844,204.49 : 190,219,463.91 = 75,118,970.49 : x
  2. Step 2: Convert to fraction form
    137,844,204.49/190,219,463.91 = 75,118,970.49/x
  3. Step 3: Cross multiply
    137,844,204.49x = 190,219,463.91 × 75,118,970.49
  4. Step 4: Simplify right side
    137,844,204.49x = 14,289,090,295,791,158
  5. Step 5: Solve for x
    x = 14,289,090,295,791,158/137,844,204.49
  6. Step 6: Final answer
    x = 103,661,161.15

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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.