Home / 312,465,613.84-468,370,326.72-105,132,048.82

Finding the Fourth Proportional to 312,465,613.84, 468,370,326.72 and 105,132,048.82

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Solution

The fourth proportional to 312,465,613.84, 468,370,326.72 and 105,132,048.82 is: 157,587,682.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,465,613.84 : 468,370,326.72 = 105,132,048.82 : x
  2. Step 2: Convert to fraction form
    312,465,613.84/468,370,326.72 = 105,132,048.82/x
  3. Step 3: Cross multiply
    312,465,613.84x = 468,370,326.72 × 105,132,048.82
  4. Step 4: Simplify right side
    312,465,613.84x = 49,240,732,054,566,392
  5. Step 5: Solve for x
    x = 49,240,732,054,566,392/312,465,613.84
  6. Step 6: Final answer
    x = 157,587,682.85

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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.