Home / 199,100,107,918.61-274,783,313,502.90-130,569,176,550.51

Finding the Fourth Proportional to 199,100,107,918.61, 274,783,313,502.90 and 130,569,176,550.51

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Solution

The fourth proportional to 199,100,107,918.61, 274,783,313,502.90 and 130,569,176,550.51 is: 180,201,966,482.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,100,107,918.61 : 274,783,313,502.90 = 130,569,176,550.51 : x
  2. Step 2: Convert to fraction form
    199,100,107,918.61/274,783,313,502.90 = 130,569,176,550.51/x
  3. Step 3: Cross multiply
    199,100,107,918.61x = 274,783,313,502.90 × 130,569,176,550.51
  4. Step 4: Simplify right side
    199,100,107,918.61x = 35,878,230,973,894,287,687,680
  5. Step 5: Solve for x
    x = 35,878,230,973,894,287,687,680/199,100,107,918.61
  6. Step 6: Final answer
    x = 180,201,966,482.92

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1.5x scale

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.