Home / 116,679,956.40-161,018,009.28-64,468,620.36

Finding the Fourth Proportional to 116,679,956.40, 161,018,009.28 and 64,468,620.36

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Solution

The fourth proportional to 116,679,956.40, 161,018,009.28 and 64,468,620.36 is: 88,966,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,679,956.40 : 161,018,009.28 = 64,468,620.36 : x
  2. Step 2: Convert to fraction form
    116,679,956.40/161,018,009.28 = 64,468,620.36/x
  3. Step 3: Cross multiply
    116,679,956.40x = 161,018,009.28 × 64,468,620.36
  4. Step 4: Simplify right side
    116,679,956.40x = 10,380,608,911,395,276
  5. Step 5: Solve for x
    x = 10,380,608,911,395,276/116,679,956.40
  6. Step 6: Final answer
    x = 88,966,513.46

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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.