Home / 123,886,826.61-185,790,459.29-40,869,919.52

Finding the Fourth Proportional to 123,886,826.61, 185,790,459.29 and 40,869,919.52

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Solution

The fourth proportional to 123,886,826.61, 185,790,459.29 and 40,869,919.52 is: 61,291,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,886,826.61 : 185,790,459.29 = 40,869,919.52 : x
  2. Step 2: Convert to fraction form
    123,886,826.61/185,790,459.29 = 40,869,919.52/x
  3. Step 3: Cross multiply
    123,886,826.61x = 185,790,459.29 × 40,869,919.52
  4. Step 4: Simplify right side
    123,886,826.61x = 7,593,241,118,199,485
  5. Step 5: Solve for x
    x = 7,593,241,118,199,485/123,886,826.61
  6. Step 6: Final answer
    x = 61,291,755.76

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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.