Home / 118,950,547.23-178,425,575.21-67,111,617.85

Finding the Fourth Proportional to 118,950,547.23, 178,425,575.21 and 67,111,617.85

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Solution

The fourth proportional to 118,950,547.23, 178,425,575.21 and 67,111,617.85 is: 100,667,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,950,547.23 : 178,425,575.21 = 67,111,617.85 : x
  2. Step 2: Convert to fraction form
    118,950,547.23/178,425,575.21 = 67,111,617.85/x
  3. Step 3: Cross multiply
    118,950,547.23x = 178,425,575.21 × 67,111,617.85
  4. Step 4: Simplify right side
    118,950,547.23x = 11,974,429,017,881,668
  5. Step 5: Solve for x
    x = 11,974,429,017,881,668/118,950,547.23
  6. Step 6: Final answer
    x = 100,667,288.19

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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.