Home / 298,270,088.34-411,662,810.15-172,900,706.73

Finding the Fourth Proportional to 298,270,088.34, 411,662,810.15 and 172,900,706.73

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Solution

The fourth proportional to 298,270,088.34, 411,662,810.15 and 172,900,706.73 is: 238,632,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,270,088.34 : 411,662,810.15 = 172,900,706.73 : x
  2. Step 2: Convert to fraction form
    298,270,088.34/411,662,810.15 = 172,900,706.73/x
  3. Step 3: Cross multiply
    298,270,088.34x = 411,662,810.15 × 172,900,706.73
  4. Step 4: Simplify right side
    298,270,088.34x = 71,176,790,808,528,304
  5. Step 5: Solve for x
    x = 71,176,790,808,528,304/298,270,088.34
  6. Step 6: Final answer
    x = 238,632,010.35

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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.