Home / 311,402,369.67-429,721,661.61-170,270,929.41

Finding the Fourth Proportional to 311,402,369.67, 429,721,661.61 and 170,270,929.41

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Solution

The fourth proportional to 311,402,369.67, 429,721,661.61 and 170,270,929.41 is: 234,966,441.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,402,369.67 : 429,721,661.61 = 170,270,929.41 : x
  2. Step 2: Convert to fraction form
    311,402,369.67/429,721,661.61 = 170,270,929.41/x
  3. Step 3: Cross multiply
    311,402,369.67x = 429,721,661.61 × 170,270,929.41
  4. Step 4: Simplify right side
    311,402,369.67x = 73,169,106,709,944,224
  5. Step 5: Solve for x
    x = 73,169,106,709,944,224/311,402,369.67
  6. Step 6: Final answer
    x = 234,966,441.61

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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.