Home / 156,548,439.19-216,039,447.96-85,990,573.49

Finding the Fourth Proportional to 156,548,439.19, 216,039,447.96 and 85,990,573.49

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Solution

The fourth proportional to 156,548,439.19, 216,039,447.96 and 85,990,573.49 is: 118,668,420.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,548,439.19 : 216,039,447.96 = 85,990,573.49 : x
  2. Step 2: Convert to fraction form
    156,548,439.19/216,039,447.96 = 85,990,573.49/x
  3. Step 3: Cross multiply
    156,548,439.19x = 216,039,447.96 × 85,990,573.49
  4. Step 4: Simplify right side
    156,548,439.19x = 18,577,356,026,543,412
  5. Step 5: Solve for x
    x = 18,577,356,026,543,412/156,548,439.19
  6. Step 6: Final answer
    x = 118,668,420.61

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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.