Home / 118,115,952.16-163,000,464.60-65,907,188.32

Finding the Fourth Proportional to 118,115,952.16, 163,000,464.60 and 65,907,188.32

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Solution

The fourth proportional to 118,115,952.16, 163,000,464.60 and 65,907,188.32 is: 90,952,171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,115,952.16 : 163,000,464.60 = 65,907,188.32 : x
  2. Step 2: Convert to fraction form
    118,115,952.16/163,000,464.60 = 65,907,188.32/x
  3. Step 3: Cross multiply
    118,115,952.16x = 163,000,464.60 × 65,907,188.32
  4. Step 4: Simplify right side
    118,115,952.16x = 10,742,902,316,639,694
  5. Step 5: Solve for x
    x = 10,742,902,316,639,694/118,115,952.16
  6. Step 6: Final answer
    x = 90,952,171.32

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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.