Home / 97,891,806.40-146,837,709.60-81,966,558.40

Finding the Fourth Proportional to 97,891,806.40, 146,837,709.60 and 81,966,558.40

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Solution

The fourth proportional to 97,891,806.40, 146,837,709.60 and 81,966,558.40 is: 122,949,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,891,806.40 : 146,837,709.60 = 81,966,558.40 : x
  2. Step 2: Convert to fraction form
    97,891,806.40/146,837,709.60 = 81,966,558.40/x
  3. Step 3: Cross multiply
    97,891,806.40x = 146,837,709.60 × 81,966,558.40
  4. Step 4: Simplify right side
    97,891,806.40x = 12,035,781,699,250,642
  5. Step 5: Solve for x
    x = 12,035,781,699,250,642/97,891,806.40
  6. Step 6: Final answer
    x = 122,949,837.60

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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.