Home / 76,129,841.38-105,056,462.62-43,089,380.93

Finding the Fourth Proportional to 76,129,841.38, 105,056,462.62 and 43,089,380.93

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Solution

The fourth proportional to 76,129,841.38, 105,056,462.62 and 43,089,380.93 is: 59,461,807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,129,841.38 : 105,056,462.62 = 43,089,380.93 : x
  2. Step 2: Convert to fraction form
    76,129,841.38/105,056,462.62 = 43,089,380.93/x
  3. Step 3: Cross multiply
    76,129,841.38x = 105,056,462.62 × 43,089,380.93
  4. Step 4: Simplify right side
    76,129,841.38x = 4,526,817,936,358,480
  5. Step 5: Solve for x
    x = 4,526,817,936,358,480/76,129,841.38
  6. Step 6: Final answer
    x = 59,461,807.02

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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.