Home / 310,851,828.69-429,013,143.94-176,922,309.71

Finding the Fourth Proportional to 310,851,828.69, 429,013,143.94 and 176,922,309.71

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Solution

The fourth proportional to 310,851,828.69, 429,013,143.94 and 176,922,309.71 is: 244,174,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,851,828.69 : 429,013,143.94 = 176,922,309.71 : x
  2. Step 2: Convert to fraction form
    310,851,828.69/429,013,143.94 = 176,922,309.71/x
  3. Step 3: Cross multiply
    310,851,828.69x = 429,013,143.94 × 176,922,309.71
  4. Step 4: Simplify right side
    310,851,828.69x = 75,901,996,323,923,712
  5. Step 5: Solve for x
    x = 75,901,996,323,923,712/310,851,828.69
  6. Step 6: Final answer
    x = 244,174,199.15

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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.