Home / 86,909,208.60-130,463,345.70-51,027,634.20

Finding the Fourth Proportional to 86,909,208.60, 130,463,345.70 and 51,027,634.20

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Solution

The fourth proportional to 86,909,208.60, 130,463,345.70 and 51,027,634.20 is: 76,599,890.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,909,208.60 : 130,463,345.70 = 51,027,634.20 : x
  2. Step 2: Convert to fraction form
    86,909,208.60/130,463,345.70 = 51,027,634.20/x
  3. Step 3: Cross multiply
    86,909,208.60x = 130,463,345.70 × 51,027,634.20
  4. Step 4: Simplify right side
    86,909,208.60x = 6,657,235,880,887,743
  5. Step 5: Solve for x
    x = 6,657,235,880,887,743/86,909,208.60
  6. Step 6: Final answer
    x = 76,599,890.72

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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.