Home / 127,656,435.60-191,484,653.40-125,640,896.40

Finding the Fourth Proportional to 127,656,435.60, 191,484,653.40 and 125,640,896.40

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Solution

The fourth proportional to 127,656,435.60, 191,484,653.40 and 125,640,896.40 is: 188,461,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,656,435.60 : 191,484,653.40 = 125,640,896.40 : x
  2. Step 2: Convert to fraction form
    127,656,435.60/191,484,653.40 = 125,640,896.40/x
  3. Step 3: Cross multiply
    127,656,435.60x = 191,484,653.40 × 125,640,896.40
  4. Step 4: Simplify right side
    127,656,435.60x = 24,058,303,500,019,308
  5. Step 5: Solve for x
    x = 24,058,303,500,019,308/127,656,435.60
  6. Step 6: Final answer
    x = 188,461,344.60

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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.