Home / 127,315,345.64-190,592,373.66-77,975,844.44

Finding the Fourth Proportional to 127,315,345.64, 190,592,373.66 and 77,975,844.44

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Solution

The fourth proportional to 127,315,345.64, 190,592,373.66 and 77,975,844.44 is: 116,730,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,315,345.64 : 190,592,373.66 = 77,975,844.44 : x
  2. Step 2: Convert to fraction form
    127,315,345.64/190,592,373.66 = 77,975,844.44/x
  3. Step 3: Cross multiply
    127,315,345.64x = 190,592,373.66 × 77,975,844.44
  4. Step 4: Simplify right side
    127,315,345.64x = 14,861,601,279,962,512
  5. Step 5: Solve for x
    x = 14,861,601,279,962,512/127,315,345.64
  6. Step 6: Final answer
    x = 116,730,636.09

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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.