Home / 86,911,293.40-130,366,940.10-29,405,440.60

Finding the Fourth Proportional to 86,911,293.40, 130,366,940.10 and 29,405,440.60

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Solution

The fourth proportional to 86,911,293.40, 130,366,940.10 and 29,405,440.60 is: 44,108,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,911,293.40 : 130,366,940.10 = 29,405,440.60 : x
  2. Step 2: Convert to fraction form
    86,911,293.40/130,366,940.10 = 29,405,440.60/x
  3. Step 3: Cross multiply
    86,911,293.40x = 130,366,940.10 × 29,405,440.60
  4. Step 4: Simplify right side
    86,911,293.40x = 3,833,497,313,314,308
  5. Step 5: Solve for x
    x = 3,833,497,313,314,308/86,911,293.40
  6. Step 6: Final answer
    x = 44,108,160.90

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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.