Home / 127,065,324.16-190,525,671.36-86,724,680.32

Finding the Fourth Proportional to 127,065,324.16, 190,525,671.36 and 86,724,680.32

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Solution

The fourth proportional to 127,065,324.16, 190,525,671.36 and 86,724,680.32 is: 130,037,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,065,324.16 : 190,525,671.36 = 86,724,680.32 : x
  2. Step 2: Convert to fraction form
    127,065,324.16/190,525,671.36 = 86,724,680.32/x
  3. Step 3: Cross multiply
    127,065,324.16x = 190,525,671.36 × 86,724,680.32
  4. Step 4: Simplify right side
    127,065,324.16x = 16,523,277,941,449,380
  5. Step 5: Solve for x
    x = 16,523,277,941,449,380/127,065,324.16
  6. Step 6: Final answer
    x = 130,037,664.10

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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.