Home / 208,443,869.77-312,668,465.52-55,088,601.25

Finding the Fourth Proportional to 208,443,869.77, 312,668,465.52 and 55,088,601.25

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Solution

The fourth proportional to 208,443,869.77, 312,668,465.52 and 55,088,601.25 is: 82,633,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,443,869.77 : 312,668,465.52 = 55,088,601.25 : x
  2. Step 2: Convert to fraction form
    208,443,869.77/312,668,465.52 = 55,088,601.25/x
  3. Step 3: Cross multiply
    208,443,869.77x = 312,668,465.52 × 55,088,601.25
  4. Step 4: Simplify right side
    208,443,869.77x = 17,224,468,420,480,652
  5. Step 5: Solve for x
    x = 17,224,468,420,480,652/208,443,869.77
  6. Step 6: Final answer
    x = 82,633,605.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.