Home / 156,843,238.43-216,442,474.53-86,277,333.01

Finding the Fourth Proportional to 156,843,238.43, 216,442,474.53 and 86,277,333.01

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Solution

The fourth proportional to 156,843,238.43, 216,442,474.53 and 86,277,333.01 is: 119,062,062.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,843,238.43 : 216,442,474.53 = 86,277,333.01 : x
  2. Step 2: Convert to fraction form
    156,843,238.43/216,442,474.53 = 86,277,333.01/x
  3. Step 3: Cross multiply
    156,843,238.43x = 216,442,474.53 × 86,277,333.01
  4. Step 4: Simplify right side
    156,843,238.43x = 18,674,079,452,533,256
  5. Step 5: Solve for x
    x = 18,674,079,452,533,256/156,843,238.43
  6. Step 6: Final answer
    x = 119,062,062.47

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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.