Home / 156,843,237.93-216,442,473.85-86,277,332.52

Finding the Fourth Proportional to 156,843,237.93, 216,442,473.85 and 86,277,332.52

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Solution

The fourth proportional to 156,843,237.93, 216,442,473.85 and 86,277,332.52 is: 119,062,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,843,237.93 : 216,442,473.85 = 86,277,332.52 : x
  2. Step 2: Convert to fraction form
    156,843,237.93/216,442,473.85 = 86,277,332.52/x
  3. Step 3: Cross multiply
    156,843,237.93x = 216,442,473.85 × 86,277,332.52
  4. Step 4: Simplify right side
    156,843,237.93x = 18,674,079,286,294,256
  5. Step 5: Solve for x
    x = 18,674,079,286,294,256/156,843,237.93
  6. Step 6: Final answer
    x = 119,062,061.79

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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.