Home / 138,334,269.58-190,900,828.54-75,610,331.24

Finding the Fourth Proportional to 138,334,269.58, 190,900,828.54 and 75,610,331.24

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Solution

The fourth proportional to 138,334,269.58, 190,900,828.54 and 75,610,331.24 is: 104,342,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,334,269.58 : 190,900,828.54 = 75,610,331.24 : x
  2. Step 2: Convert to fraction form
    138,334,269.58/190,900,828.54 = 75,610,331.24/x
  3. Step 3: Cross multiply
    138,334,269.58x = 190,900,828.54 × 75,610,331.24
  4. Step 4: Simplify right side
    138,334,269.58x = 14,434,074,878,756,316
  5. Step 5: Solve for x
    x = 14,434,074,878,756,316/138,334,269.58
  6. Step 6: Final answer
    x = 104,342,003.78

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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.