Home / 156,323,823.42-215,726,185.26-89,341,664.07

Finding the Fourth Proportional to 156,323,823.42, 215,726,185.26 and 89,341,664.07

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Solution

The fourth proportional to 156,323,823.42, 215,726,185.26 and 89,341,664.07 is: 123,291,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,323,823.42 : 215,726,185.26 = 89,341,664.07 : x
  2. Step 2: Convert to fraction form
    156,323,823.42/215,726,185.26 = 89,341,664.07/x
  3. Step 3: Cross multiply
    156,323,823.42x = 215,726,185.26 × 89,341,664.07
  4. Step 4: Simplify right side
    156,323,823.42x = 19,273,336,374,601,504
  5. Step 5: Solve for x
    x = 19,273,336,374,601,504/156,323,823.42
  6. Step 6: Final answer
    x = 123,291,101.46

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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.