Home / 127,224,014.40-190,836,021.60-86,913,230.40

Finding the Fourth Proportional to 127,224,014.40, 190,836,021.60 and 86,913,230.40

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Solution

The fourth proportional to 127,224,014.40, 190,836,021.60 and 86,913,230.40 is: 130,369,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,224,014.40 : 190,836,021.60 = 86,913,230.40 : x
  2. Step 2: Convert to fraction form
    127,224,014.40/190,836,021.60 = 86,913,230.40/x
  3. Step 3: Cross multiply
    127,224,014.40x = 190,836,021.60 × 86,913,230.40
  4. Step 4: Simplify right side
    127,224,014.40x = 16,586,175,113,940,178
  5. Step 5: Solve for x
    x = 16,586,175,113,940,178/127,224,014.40
  6. Step 6: Final answer
    x = 130,369,845.60

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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.