Home / 55,520,970,013.51-76,618,938,618.64-31,759,180,021.51

Finding the Fourth Proportional to 55,520,970,013.51, 76,618,938,618.64 and 31,759,180,021.51

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Solution

The fourth proportional to 55,520,970,013.51, 76,618,938,618.64 and 31,759,180,021.51 is: 43,827,668,429.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,520,970,013.51 : 76,618,938,618.64 = 31,759,180,021.51 : x
  2. Step 2: Convert to fraction form
    55,520,970,013.51/76,618,938,618.64 = 31,759,180,021.51/x
  3. Step 3: Cross multiply
    55,520,970,013.51x = 76,618,938,618.64 × 31,759,180,021.51
  4. Step 4: Simplify right side
    55,520,970,013.51x = 2,433,354,664,646,412,337,152
  5. Step 5: Solve for x
    x = 2,433,354,664,646,412,337,152/55,520,970,013.51
  6. Step 6: Final answer
    x = 43,827,668,429.68

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1.5x scale

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.