Home / 122,636,167.35-184,030,834.59-81,724,313.72

Finding the Fourth Proportional to 122,636,167.35, 184,030,834.59 and 81,724,313.72

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Solution

The fourth proportional to 122,636,167.35, 184,030,834.59 and 81,724,313.72 is: 122,637,505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,636,167.35 : 184,030,834.59 = 81,724,313.72 : x
  2. Step 2: Convert to fraction form
    122,636,167.35/184,030,834.59 = 81,724,313.72/x
  3. Step 3: Cross multiply
    122,636,167.35x = 184,030,834.59 × 81,724,313.72
  4. Step 4: Simplify right side
    122,636,167.35x = 15,039,793,659,266,434
  5. Step 5: Solve for x
    x = 15,039,793,659,266,434/122,636,167.35
  6. Step 6: Final answer
    x = 122,637,505.59

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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.