Home / 199,714,966.12-299,034,038.94-130,456,242.28

Finding the Fourth Proportional to 199,714,966.12, 299,034,038.94 and 130,456,242.28

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Solution

The fourth proportional to 199,714,966.12, 299,034,038.94 and 130,456,242.28 is: 195,332,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,714,966.12 : 299,034,038.94 = 130,456,242.28 : x
  2. Step 2: Convert to fraction form
    199,714,966.12/299,034,038.94 = 130,456,242.28/x
  3. Step 3: Cross multiply
    199,714,966.12x = 299,034,038.94 × 130,456,242.28
  4. Step 4: Simplify right side
    199,714,966.12x = 39,010,857,033,923,592
  5. Step 5: Solve for x
    x = 39,010,857,033,923,592/199,714,966.12
  6. Step 6: Final answer
    x = 195,332,667.31

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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.