Home / 229,849,785.80-317,199,403.04-125,434,582.68

Finding the Fourth Proportional to 229,849,785.80, 317,199,403.04 and 125,434,582.68

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Solution

The fourth proportional to 229,849,785.80, 317,199,403.04 and 125,434,582.68 is: 173,103,379.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,849,785.80 : 317,199,403.04 = 125,434,582.68 : x
  2. Step 2: Convert to fraction form
    229,849,785.80/317,199,403.04 = 125,434,582.68/x
  3. Step 3: Cross multiply
    229,849,785.80x = 317,199,403.04 × 125,434,582.68
  4. Step 4: Simplify right side
    229,849,785.80x = 39,787,774,746,040,352
  5. Step 5: Solve for x
    x = 39,787,774,746,040,352/229,849,785.80
  6. Step 6: Final answer
    x = 173,103,379.71

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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.