Home / 78,927,232,103.18-118,343,568,875.07-25,121,126,308.94

Finding the Fourth Proportional to 78,927,232,103.18, 118,343,568,875.07 and 25,121,126,308.94

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Solution

The fourth proportional to 78,927,232,103.18, 118,343,568,875.07 and 25,121,126,308.94 is: 37,666,641,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,927,232,103.18 : 118,343,568,875.07 = 25,121,126,308.94 : x
  2. Step 2: Convert to fraction form
    78,927,232,103.18/118,343,568,875.07 = 25,121,126,308.94/x
  3. Step 3: Cross multiply
    78,927,232,103.18x = 118,343,568,875.07 × 25,121,126,308.94
  4. Step 4: Simplify right side
    78,927,232,103.18x = 2,972,923,741,561,374,113,792
  5. Step 5: Solve for x
    x = 2,972,923,741,561,374,113,792/78,927,232,103.18
  6. Step 6: Final answer
    x = 37,666,641,314.30

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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.