Home / 315,248,784.39-435,070,213.52-176,046,438.51

Finding the Fourth Proportional to 315,248,784.39, 435,070,213.52 and 176,046,438.51

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Solution

The fourth proportional to 315,248,784.39, 435,070,213.52 and 176,046,438.51 is: 242,959,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,248,784.39 : 435,070,213.52 = 176,046,438.51 : x
  2. Step 2: Convert to fraction form
    315,248,784.39/435,070,213.52 = 176,046,438.51/x
  3. Step 3: Cross multiply
    315,248,784.39x = 435,070,213.52 × 176,046,438.51
  4. Step 4: Simplify right side
    315,248,784.39x = 76,592,561,591,981,248
  5. Step 5: Solve for x
    x = 76,592,561,591,981,248/315,248,784.39
  6. Step 6: Final answer
    x = 242,959,102.10

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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.