Home / 313,629,920.61-433,251,875.16-251,319,939.45

Finding the Fourth Proportional to 313,629,920.61, 433,251,875.16 and 251,319,939.45

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Solution

The fourth proportional to 313,629,920.61, 433,251,875.16 and 251,319,939.45 is: 347,176,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,629,920.61 : 433,251,875.16 = 251,319,939.45 : x
  2. Step 2: Convert to fraction form
    313,629,920.61/433,251,875.16 = 251,319,939.45/x
  3. Step 3: Cross multiply
    313,629,920.61x = 433,251,875.16 × 251,319,939.45
  4. Step 4: Simplify right side
    313,629,920.61x = 108,884,835,031,810,160
  5. Step 5: Solve for x
    x = 108,884,835,031,810,160/313,629,920.61
  6. Step 6: Final answer
    x = 347,176,171.27

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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.