Home / 86,909,206.60-130,463,342.70-51,027,632.20

Finding the Fourth Proportional to 86,909,206.60, 130,463,342.70 and 51,027,632.20

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Solution

The fourth proportional to 86,909,206.60, 130,463,342.70 and 51,027,632.20 is: 76,599,887.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,909,206.60 : 130,463,342.70 = 51,027,632.20 : x
  2. Step 2: Convert to fraction form
    86,909,206.60/130,463,342.70 = 51,027,632.20/x
  3. Step 3: Cross multiply
    86,909,206.60x = 130,463,342.70 × 51,027,632.20
  4. Step 4: Simplify right side
    86,909,206.60x = 6,657,235,466,878,155
  5. Step 5: Solve for x
    x = 6,657,235,466,878,155/86,909,206.60
  6. Step 6: Final answer
    x = 76,599,887.71

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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.