Home / 58,120,113-80,189,795.70-40,459,222.92

Finding the Fourth Proportional to 58,120,113, 80,189,795.70 and 40,459,222.92

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Solution

The fourth proportional to 58,120,113, 80,189,795.70 and 40,459,222.92 is: 55,822,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,120,113 : 80,189,795.70 = 40,459,222.92 : x
  2. Step 2: Convert to fraction form
    58,120,113/80,189,795.70 = 40,459,222.92/x
  3. Step 3: Cross multiply
    58,120,113x = 80,189,795.70 × 40,459,222.92
  4. Step 4: Simplify right side
    58,120,113x = 3,244,416,820,135,557.50
  5. Step 5: Solve for x
    x = 3,244,416,820,135,557.50/58,120,113
  6. Step 6: Final answer
    x = 55,822,617.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.