Home / 137,752,728.60-190,112,202.18-102,884,911.32

Finding the Fourth Proportional to 137,752,728.60, 190,112,202.18 and 102,884,911.32

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Solution

The fourth proportional to 137,752,728.60, 190,112,202.18 and 102,884,911.32 is: 141,991,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,752,728.60 : 190,112,202.18 = 102,884,911.32 : x
  2. Step 2: Convert to fraction form
    137,752,728.60/190,112,202.18 = 102,884,911.32/x
  3. Step 3: Cross multiply
    137,752,728.60x = 190,112,202.18 × 102,884,911.32
  4. Step 4: Simplify right side
    137,752,728.60x = 19,559,677,062,139,212
  5. Step 5: Solve for x
    x = 19,559,677,062,139,212/137,752,728.60
  6. Step 6: Final answer
    x = 141,991,213.25

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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.