Home / 187,259,999.10-280,889,998.65-66,103,698.30

Finding the Fourth Proportional to 187,259,999.10, 280,889,998.65 and 66,103,698.30

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Solution

The fourth proportional to 187,259,999.10, 280,889,998.65 and 66,103,698.30 is: 99,155,547.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,259,999.10 : 280,889,998.65 = 66,103,698.30 : x
  2. Step 2: Convert to fraction form
    187,259,999.10/280,889,998.65 = 66,103,698.30/x
  3. Step 3: Cross multiply
    187,259,999.10x = 280,889,998.65 × 66,103,698.30
  4. Step 4: Simplify right side
    187,259,999.10x = 18,567,867,726,247,004
  5. Step 5: Solve for x
    x = 18,567,867,726,247,004/187,259,999.10
  6. Step 6: Final answer
    x = 99,155,547.45

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1.5x scale

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.