Home / 134,272,160,933.40-201,308,949,313.20-81,201,395,510.28

Finding the Fourth Proportional to 134,272,160,933.40, 201,308,949,313.20 and 81,201,395,510.28

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Solution

The fourth proportional to 134,272,160,933.40, 201,308,949,313.20 and 81,201,395,510.28 is: 121,742,046,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,272,160,933.40 : 201,308,949,313.20 = 81,201,395,510.28 : x
  2. Step 2: Convert to fraction form
    134,272,160,933.40/201,308,949,313.20 = 81,201,395,510.28/x
  3. Step 3: Cross multiply
    134,272,160,933.40x = 201,308,949,313.20 × 81,201,395,510.28
  4. Step 4: Simplify right side
    134,272,160,933.40x = 16,346,567,612,940,062,556,160
  5. Step 5: Solve for x
    x = 16,346,567,612,940,062,556,160/134,272,160,933.40
  6. Step 6: Final answer
    x = 121,742,046,149.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.