Home / 206,064,007.40-309,096,011.10-124,434,669.80

Finding the Fourth Proportional to 206,064,007.40, 309,096,011.10 and 124,434,669.80

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Solution

The fourth proportional to 206,064,007.40, 309,096,011.10 and 124,434,669.80 is: 186,652,004.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,064,007.40 : 309,096,011.10 = 124,434,669.80 : x
  2. Step 2: Convert to fraction form
    206,064,007.40/309,096,011.10 = 124,434,669.80/x
  3. Step 3: Cross multiply
    206,064,007.40x = 309,096,011.10 × 124,434,669.80
  4. Step 4: Simplify right side
    206,064,007.40x = 38,462,260,077,725,640
  5. Step 5: Solve for x
    x = 38,462,260,077,725,640/206,064,007.40
  6. Step 6: Final answer
    x = 186,652,004.70

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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.