Home / 79,845,313.60-119,544,021.60-77,605,825.60

Finding the Fourth Proportional to 79,845,313.60, 119,544,021.60 and 77,605,825.60

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Solution

The fourth proportional to 79,845,313.60, 119,544,021.60 and 77,605,825.60 is: 116,191,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,845,313.60 : 119,544,021.60 = 77,605,825.60 : x
  2. Step 2: Convert to fraction form
    79,845,313.60/119,544,021.60 = 77,605,825.60/x
  3. Step 3: Cross multiply
    79,845,313.60x = 119,544,021.60 × 77,605,825.60
  4. Step 4: Simplify right side
    79,845,313.60x = 9,277,312,491,812,232
  5. Step 5: Solve for x
    x = 9,277,312,491,812,232/79,845,313.60
  6. Step 6: Final answer
    x = 116,191,070.88

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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.