Home / 130,008,036.53-179,422,440.64-71,282,051.84

Finding the Fourth Proportional to 130,008,036.53, 179,422,440.64 and 71,282,051.84

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Solution

The fourth proportional to 130,008,036.53, 179,422,440.64 and 71,282,051.84 is: 98,375,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,008,036.53 : 179,422,440.64 = 71,282,051.84 : x
  2. Step 2: Convert to fraction form
    130,008,036.53/179,422,440.64 = 71,282,051.84/x
  3. Step 3: Cross multiply
    130,008,036.53x = 179,422,440.64 × 71,282,051.84
  4. Step 4: Simplify right side
    130,008,036.53x = 12,789,599,715,230,154
  5. Step 5: Solve for x
    x = 12,789,599,715,230,154/130,008,036.53
  6. Step 6: Final answer
    x = 98,375,454.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.