Home / 206,936,807.40-310,141,458.90-109,938,983.40

Finding the Fourth Proportional to 206,936,807.40, 310,141,458.90 and 109,938,983.40

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Solution

The fourth proportional to 206,936,807.40, 310,141,458.90 and 109,938,983.40 is: 164,768,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,936,807.40 : 310,141,458.90 = 109,938,983.40 : x
  2. Step 2: Convert to fraction form
    206,936,807.40/310,141,458.90 = 109,938,983.40/x
  3. Step 3: Cross multiply
    206,936,807.40x = 310,141,458.90 × 109,938,983.40
  4. Step 4: Simplify right side
    206,936,807.40x = 34,096,636,701,658,880
  5. Step 5: Solve for x
    x = 34,096,636,701,658,880/206,936,807.40
  6. Step 6: Final answer
    x = 164,768,351.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.