Home / 93,992,720.10-140,989,080.15-85,914,816.90

Finding the Fourth Proportional to 93,992,720.10, 140,989,080.15 and 85,914,816.90

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Solution

The fourth proportional to 93,992,720.10, 140,989,080.15 and 85,914,816.90 is: 128,872,225.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,992,720.10 : 140,989,080.15 = 85,914,816.90 : x
  2. Step 2: Convert to fraction form
    93,992,720.10/140,989,080.15 = 85,914,816.90/x
  3. Step 3: Cross multiply
    93,992,720.10x = 140,989,080.15 × 85,914,816.90
  4. Step 4: Simplify right side
    93,992,720.10x = 12,113,051,005,986,676
  5. Step 5: Solve for x
    x = 12,113,051,005,986,676/93,992,720.10
  6. Step 6: Final answer
    x = 128,872,225.35

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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.