Home / 100,383,009,187.95-138,531,036,827.47-54,659,791,223.55

Finding the Fourth Proportional to 100,383,009,187.95, 138,531,036,827.47 and 54,659,791,223.55

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Solution

The fourth proportional to 100,383,009,187.95, 138,531,036,827.47 and 54,659,791,223.55 is: 75,431,864,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,383,009,187.95 : 138,531,036,827.47 = 54,659,791,223.55 : x
  2. Step 2: Convert to fraction form
    100,383,009,187.95/138,531,036,827.47 = 54,659,791,223.55/x
  3. Step 3: Cross multiply
    100,383,009,187.95x = 138,531,036,827.47 × 54,659,791,223.55
  4. Step 4: Simplify right side
    100,383,009,187.95x = 7,572,077,550,971,426,701,312
  5. Step 5: Solve for x
    x = 7,572,077,550,971,426,701,312/100,383,009,187.95
  6. Step 6: Final answer
    x = 75,431,864,537.89

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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.