Home / 51,152,978,129.94-76,354,802,708.67-45,114,384,108.06

Finding the Fourth Proportional to 51,152,978,129.94, 76,354,802,708.67 and 45,114,384,108.06

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Solution

The fourth proportional to 51,152,978,129.94, 76,354,802,708.67 and 45,114,384,108.06 is: 67,341,140,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,152,978,129.94 : 76,354,802,708.67 = 45,114,384,108.06 : x
  2. Step 2: Convert to fraction form
    51,152,978,129.94/76,354,802,708.67 = 45,114,384,108.06/x
  3. Step 3: Cross multiply
    51,152,978,129.94x = 76,354,802,708.67 × 45,114,384,108.06
  4. Step 4: Simplify right side
    51,152,978,129.94x = 3,444,699,897,893,987,811,328
  5. Step 5: Solve for x
    x = 3,444,699,897,893,987,811,328/51,152,978,129.94
  6. Step 6: Final answer
    x = 67,341,140,708.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.