Home / 86,672,881.60-130,009,322.40-29,146,033.60

Finding the Fourth Proportional to 86,672,881.60, 130,009,322.40 and 29,146,033.60

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Solution

The fourth proportional to 86,672,881.60, 130,009,322.40 and 29,146,033.60 is: 43,719,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,672,881.60 : 130,009,322.40 = 29,146,033.60 : x
  2. Step 2: Convert to fraction form
    86,672,881.60/130,009,322.40 = 29,146,033.60/x
  3. Step 3: Cross multiply
    86,672,881.60x = 130,009,322.40 × 29,146,033.60
  4. Step 4: Simplify right side
    86,672,881.60x = 3,789,256,078,983,633
  5. Step 5: Solve for x
    x = 3,789,256,078,983,633/86,672,881.60
  6. Step 6: Final answer
    x = 43,719,050.40

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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.