Home / 96,809,430.40-145,214,145.60-74,890,441.60

Finding the Fourth Proportional to 96,809,430.40, 145,214,145.60 and 74,890,441.60

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Solution

The fourth proportional to 96,809,430.40, 145,214,145.60 and 74,890,441.60 is: 112,335,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,809,430.40 : 145,214,145.60 = 74,890,441.60 : x
  2. Step 2: Convert to fraction form
    96,809,430.40/145,214,145.60 = 74,890,441.60/x
  3. Step 3: Cross multiply
    96,809,430.40x = 145,214,145.60 × 74,890,441.60
  4. Step 4: Simplify right side
    96,809,430.40x = 10,875,151,490,550,696
  5. Step 5: Solve for x
    x = 10,875,151,490,550,696/96,809,430.40
  6. Step 6: Final answer
    x = 112,335,662.40

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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.