Home / 127,224,015.40-190,836,023.10-86,913,231.40

Finding the Fourth Proportional to 127,224,015.40, 190,836,023.10 and 86,913,231.40

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Solution

The fourth proportional to 127,224,015.40, 190,836,023.10 and 86,913,231.40 is: 130,369,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,224,015.40 : 190,836,023.10 = 86,913,231.40 : x
  2. Step 2: Convert to fraction form
    127,224,015.40/190,836,023.10 = 86,913,231.40/x
  3. Step 3: Cross multiply
    127,224,015.40x = 190,836,023.10 × 86,913,231.40
  4. Step 4: Simplify right side
    127,224,015.40x = 16,586,175,435,146,046
  5. Step 5: Solve for x
    x = 16,586,175,435,146,046/127,224,015.40
  6. Step 6: Final answer
    x = 130,369,847.10

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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.