Home / 86,909,096.20-130,363,644.30-43,761,627.40

Finding the Fourth Proportional to 86,909,096.20, 130,363,644.30 and 43,761,627.40

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Solution

The fourth proportional to 86,909,096.20, 130,363,644.30 and 43,761,627.40 is: 65,642,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,909,096.20 : 130,363,644.30 = 43,761,627.40 : x
  2. Step 2: Convert to fraction form
    86,909,096.20/130,363,644.30 = 43,761,627.40/x
  3. Step 3: Cross multiply
    86,909,096.20x = 130,363,644.30 × 43,761,627.40
  4. Step 4: Simplify right side
    86,909,096.20x = 5,704,925,228,362,733
  5. Step 5: Solve for x
    x = 5,704,925,228,362,733/86,909,096.20
  6. Step 6: Final answer
    x = 65,642,441.10

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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.