Home / 52,085,862.14-71,881,720.65-28,880,989.02

Finding the Fourth Proportional to 52,085,862.14, 71,881,720.65 and 28,880,989.02

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Solution

The fourth proportional to 52,085,862.14, 71,881,720.65 and 28,880,989.02 is: 39,857,556.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,085,862.14 : 71,881,720.65 = 28,880,989.02 : x
  2. Step 2: Convert to fraction form
    52,085,862.14/71,881,720.65 = 28,880,989.02/x
  3. Step 3: Cross multiply
    52,085,862.14x = 71,881,720.65 × 28,880,989.02
  4. Step 4: Simplify right side
    52,085,862.14x = 2,076,015,184,831,357.50
  5. Step 5: Solve for x
    x = 2,076,015,184,831,357.50/52,085,862.14
  6. Step 6: Final answer
    x = 39,857,556.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.