Home / 151,848,631.71-209,550,068.40-82,232,419.50

Finding the Fourth Proportional to 151,848,631.71, 209,550,068.40 and 82,232,419.50

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Solution

The fourth proportional to 151,848,631.71, 209,550,068.40 and 82,232,419.50 is: 113,480,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,848,631.71 : 209,550,068.40 = 82,232,419.50 : x
  2. Step 2: Convert to fraction form
    151,848,631.71/209,550,068.40 = 82,232,419.50/x
  3. Step 3: Cross multiply
    151,848,631.71x = 209,550,068.40 × 82,232,419.50
  4. Step 4: Simplify right side
    151,848,631.71x = 17,231,809,130,922,494
  5. Step 5: Solve for x
    x = 17,231,809,130,922,494/151,848,631.71
  6. Step 6: Final answer
    x = 113,480,173.89

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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.