Home / 315,386,020.80-435,228,076.80-176,158,814.40

Finding the Fourth Proportional to 315,386,020.80, 435,228,076.80 and 176,158,814.40

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Solution

The fourth proportional to 315,386,020.80, 435,228,076.80 and 176,158,814.40 is: 243,096,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,386,020.80 : 435,228,076.80 = 176,158,814.40 : x
  2. Step 2: Convert to fraction form
    315,386,020.80/435,228,076.80 = 176,158,814.40/x
  3. Step 3: Cross multiply
    315,386,020.80x = 435,228,076.80 × 176,158,814.40
  4. Step 4: Simplify right side
    315,386,020.80x = 76,669,262,002,680,144
  5. Step 5: Solve for x
    x = 76,669,262,002,680,144/315,386,020.80
  6. Step 6: Final answer
    x = 243,096,576.72

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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.