Home / 86,893,840.20-130,358,256.30-25,482,880.20

Finding the Fourth Proportional to 86,893,840.20, 130,358,256.30 and 25,482,880.20

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Solution

The fourth proportional to 86,893,840.20, 130,358,256.30 and 25,482,880.20 is: 38,229,451.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,893,840.20 : 130,358,256.30 = 25,482,880.20 : x
  2. Step 2: Convert to fraction form
    86,893,840.20/130,358,256.30 = 25,482,880.20/x
  3. Step 3: Cross multiply
    86,893,840.20x = 130,358,256.30 × 25,482,880.20
  4. Step 4: Simplify right side
    86,893,840.20x = 3,321,903,828,373,795
  5. Step 5: Solve for x
    x = 3,321,903,828,373,795/86,893,840.20
  6. Step 6: Final answer
    x = 38,229,451.26

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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.