Home / 206,936,810.40-310,141,463.40-109,938,986.40

Finding the Fourth Proportional to 206,936,810.40, 310,141,463.40 and 109,938,986.40

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Solution

The fourth proportional to 206,936,810.40, 310,141,463.40 and 109,938,986.40 is: 164,768,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,936,810.40 : 310,141,463.40 = 109,938,986.40 : x
  2. Step 2: Convert to fraction form
    206,936,810.40/310,141,463.40 = 109,938,986.40/x
  3. Step 3: Cross multiply
    206,936,810.40x = 310,141,463.40 × 109,938,986.40
  4. Step 4: Simplify right side
    206,936,810.40x = 34,096,638,126,808,696
  5. Step 5: Solve for x
    x = 34,096,638,126,808,696/206,936,810.40
  6. Step 6: Final answer
    x = 164,768,356.39

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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.