Home / 122,636,165.85-184,030,832.34-81,724,312.22

Finding the Fourth Proportional to 122,636,165.85, 184,030,832.34 and 81,724,312.22

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Solution

The fourth proportional to 122,636,165.85, 184,030,832.34 and 81,724,312.22 is: 122,637,503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,636,165.85 : 184,030,832.34 = 81,724,312.22 : x
  2. Step 2: Convert to fraction form
    122,636,165.85/184,030,832.34 = 81,724,312.22/x
  3. Step 3: Cross multiply
    122,636,165.85x = 184,030,832.34 × 81,724,312.22
  4. Step 4: Simplify right side
    122,636,165.85x = 15,039,793,199,340,480
  5. Step 5: Solve for x
    x = 15,039,793,199,340,480/122,636,165.85
  6. Step 6: Final answer
    x = 122,637,503.34

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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.