Home / 130,453,603.40-195,680,405.10-87,455,433.80

Finding the Fourth Proportional to 130,453,603.40, 195,680,405.10 and 87,455,433.80

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Solution

The fourth proportional to 130,453,603.40, 195,680,405.10 and 87,455,433.80 is: 131,183,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,453,603.40 : 195,680,405.10 = 87,455,433.80 : x
  2. Step 2: Convert to fraction form
    130,453,603.40/195,680,405.10 = 87,455,433.80/x
  3. Step 3: Cross multiply
    130,453,603.40x = 195,680,405.10 × 87,455,433.80
  4. Step 4: Simplify right side
    130,453,603.40x = 17,113,314,714,180,232
  5. Step 5: Solve for x
    x = 17,113,314,714,180,232/130,453,603.40
  6. Step 6: Final answer
    x = 131,183,150.70

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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.