Home / 77,749,007.40-116,623,511.10-76,615,266.60

Finding the Fourth Proportional to 77,749,007.40, 116,623,511.10 and 76,615,266.60

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Solution

The fourth proportional to 77,749,007.40, 116,623,511.10 and 76,615,266.60 is: 114,922,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,749,007.40 : 116,623,511.10 = 76,615,266.60 : x
  2. Step 2: Convert to fraction form
    77,749,007.40/116,623,511.10 = 76,615,266.60/x
  3. Step 3: Cross multiply
    77,749,007.40x = 116,623,511.10 × 76,615,266.60
  4. Step 4: Simplify right side
    77,749,007.40x = 8,935,141,394,754,558
  5. Step 5: Solve for x
    x = 8,935,141,394,754,558/77,749,007.40
  6. Step 6: Final answer
    x = 114,922,899.90

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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.