Home / 53,259,741.60-79,889,612.40-43,685,930.40

Finding the Fourth Proportional to 53,259,741.60, 79,889,612.40 and 43,685,930.40

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Solution

The fourth proportional to 53,259,741.60, 79,889,612.40 and 43,685,930.40 is: 65,528,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,259,741.60 : 79,889,612.40 = 43,685,930.40 : x
  2. Step 2: Convert to fraction form
    53,259,741.60/79,889,612.40 = 43,685,930.40/x
  3. Step 3: Cross multiply
    53,259,741.60x = 79,889,612.40 × 43,685,930.40
  4. Step 4: Simplify right side
    53,259,741.60x = 3,490,052,046,989,377
  5. Step 5: Solve for x
    x = 3,490,052,046,989,377/53,259,741.60
  6. Step 6: Final answer
    x = 65,528,895.60

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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.