Home / 137,823,105.60-190,187,316-75,939,981.12

Finding the Fourth Proportional to 137,823,105.60, 190,187,316 and 75,939,981.12

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Solution

The fourth proportional to 137,823,105.60, 190,187,316 and 75,939,981.12 is: 104,792,452.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,823,105.60 : 190,187,316 = 75,939,981.12 : x
  2. Step 2: Convert to fraction form
    137,823,105.60/190,187,316 = 75,939,981.12/x
  3. Step 3: Cross multiply
    137,823,105.60x = 190,187,316 × 75,939,981.12
  4. Step 4: Simplify right side
    137,823,105.60x = 14,442,821,186,303,474
  5. Step 5: Solve for x
    x = 14,442,821,186,303,474/137,823,105.60
  6. Step 6: Final answer
    x = 104,792,452.06

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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.