Home / 130,454,610.40-195,681,915.60-87,456,440.80

Finding the Fourth Proportional to 130,454,610.40, 195,681,915.60 and 87,456,440.80

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Solution

The fourth proportional to 130,454,610.40, 195,681,915.60 and 87,456,440.80 is: 131,184,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,454,610.40 : 195,681,915.60 = 87,456,440.80 : x
  2. Step 2: Convert to fraction form
    130,454,610.40/195,681,915.60 = 87,456,440.80/x
  3. Step 3: Cross multiply
    130,454,610.40x = 195,681,915.60 × 87,456,440.80
  4. Step 4: Simplify right side
    130,454,610.40x = 17,113,643,867,301,996
  5. Step 5: Solve for x
    x = 17,113,643,867,301,996/130,454,610.40
  6. Step 6: Final answer
    x = 131,184,661.20

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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.