Home / 56,937,997.80-85,406,996.70-54,292,602.60

Finding the Fourth Proportional to 56,937,997.80, 85,406,996.70 and 54,292,602.60

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Solution

The fourth proportional to 56,937,997.80, 85,406,996.70 and 54,292,602.60 is: 81,438,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,937,997.80 : 85,406,996.70 = 54,292,602.60 : x
  2. Step 2: Convert to fraction form
    56,937,997.80/85,406,996.70 = 54,292,602.60/x
  3. Step 3: Cross multiply
    56,937,997.80x = 85,406,996.70 × 54,292,602.60
  4. Step 4: Simplify right side
    56,937,997.80x = 4,636,968,131,092,612
  5. Step 5: Solve for x
    x = 4,636,968,131,092,612/56,937,997.80
  6. Step 6: Final answer
    x = 81,438,903.90

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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.