Home / 84,431,881,567.28-126,669,259,259.30-39,085,281,886.52

Finding the Fourth Proportional to 84,431,881,567.28, 126,669,259,259.30 and 39,085,281,886.52

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Solution

The fourth proportional to 84,431,881,567.28, 126,669,259,259.30 and 39,085,281,886.52 is: 58,637,846,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,431,881,567.28 : 126,669,259,259.30 = 39,085,281,886.52 : x
  2. Step 2: Convert to fraction form
    84,431,881,567.28/126,669,259,259.30 = 39,085,281,886.52/x
  3. Step 3: Cross multiply
    84,431,881,567.28x = 126,669,259,259.30 × 39,085,281,886.52
  4. Step 4: Simplify right side
    84,431,881,567.28x = 4,950,903,704,505,791,021,056
  5. Step 5: Solve for x
    x = 4,950,903,704,505,791,021,056/84,431,881,567.28
  6. Step 6: Final answer
    x = 58,637,846,422.51

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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.