Home / 97,116,896.40-145,675,344.60-66,505,894.80

Finding the Fourth Proportional to 97,116,896.40, 145,675,344.60 and 66,505,894.80

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Solution

The fourth proportional to 97,116,896.40, 145,675,344.60 and 66,505,894.80 is: 99,758,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,116,896.40 : 145,675,344.60 = 66,505,894.80 : x
  2. Step 2: Convert to fraction form
    97,116,896.40/145,675,344.60 = 66,505,894.80/x
  3. Step 3: Cross multiply
    97,116,896.40x = 145,675,344.60 × 66,505,894.80
  4. Step 4: Simplify right side
    97,116,896.40x = 9,688,269,142,921,348
  5. Step 5: Solve for x
    x = 9,688,269,142,921,348/97,116,896.40
  6. Step 6: Final answer
    x = 99,758,842.20

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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.