Home / 76,850,099.04-115,161,074.64-42,724,500.96

Finding the Fourth Proportional to 76,850,099.04, 115,161,074.64 and 42,724,500.96

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Solution

The fourth proportional to 76,850,099.04, 115,161,074.64 and 42,724,500.96 is: 64,023,332.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,850,099.04 : 115,161,074.64 = 42,724,500.96 : x
  2. Step 2: Convert to fraction form
    76,850,099.04/115,161,074.64 = 42,724,500.96/x
  3. Step 3: Cross multiply
    76,850,099.04x = 115,161,074.64 × 42,724,500.96
  4. Step 4: Simplify right side
    76,850,099.04x = 4,920,199,444,011,312
  5. Step 5: Solve for x
    x = 4,920,199,444,011,312/76,850,099.04
  6. Step 6: Final answer
    x = 64,023,332.51

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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.