Home / 156,639,168.36-216,165,652.62-86,079,165.32

Finding the Fourth Proportional to 156,639,168.36, 216,165,652.62 and 86,079,165.32

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Solution

The fourth proportional to 156,639,168.36, 216,165,652.62 and 86,079,165.32 is: 118,791,226.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,639,168.36 : 216,165,652.62 = 86,079,165.32 : x
  2. Step 2: Convert to fraction form
    156,639,168.36/216,165,652.62 = 86,079,165.32/x
  3. Step 3: Cross multiply
    156,639,168.36x = 216,165,652.62 × 86,079,165.32
  4. Step 4: Simplify right side
    156,639,168.36x = 18,607,358,948,382,672
  5. Step 5: Solve for x
    x = 18,607,358,948,382,672/156,639,168.36
  6. Step 6: Final answer
    x = 118,791,226.63

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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.