Home / 315,248,783.39-435,070,212.14-176,046,437.51

Finding the Fourth Proportional to 315,248,783.39, 435,070,212.14 and 176,046,437.51

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Solution

The fourth proportional to 315,248,783.39, 435,070,212.14 and 176,046,437.51 is: 242,959,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,248,783.39 : 435,070,212.14 = 176,046,437.51 : x
  2. Step 2: Convert to fraction form
    315,248,783.39/435,070,212.14 = 176,046,437.51/x
  3. Step 3: Cross multiply
    315,248,783.39x = 435,070,212.14 × 176,046,437.51
  4. Step 4: Simplify right side
    315,248,783.39x = 76,592,560,912,877,376
  5. Step 5: Solve for x
    x = 76,592,560,912,877,376/315,248,783.39
  6. Step 6: Final answer
    x = 242,959,100.71

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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.