Home / 65,615,541.40-98,423,312.10-55,093,009.60

Finding the Fourth Proportional to 65,615,541.40, 98,423,312.10 and 55,093,009.60

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Solution

The fourth proportional to 65,615,541.40, 98,423,312.10 and 55,093,009.60 is: 82,639,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,615,541.40 : 98,423,312.10 = 55,093,009.60 : x
  2. Step 2: Convert to fraction form
    65,615,541.40/98,423,312.10 = 55,093,009.60/x
  3. Step 3: Cross multiply
    65,615,541.40x = 98,423,312.10 × 55,093,009.60
  4. Step 4: Simplify right side
    65,615,541.40x = 5,422,436,478,389,096
  5. Step 5: Solve for x
    x = 5,422,436,478,389,096/65,615,541.40
  6. Step 6: Final answer
    x = 82,639,514.40

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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.