Home / 78,739,009.40-118,108,514.10-62,476,914.80

Finding the Fourth Proportional to 78,739,009.40, 118,108,514.10 and 62,476,914.80

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Solution

The fourth proportional to 78,739,009.40, 118,108,514.10 and 62,476,914.80 is: 93,715,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,739,009.40 : 118,108,514.10 = 62,476,914.80 : x
  2. Step 2: Convert to fraction form
    78,739,009.40/118,108,514.10 = 62,476,914.80/x
  3. Step 3: Cross multiply
    78,739,009.40x = 118,108,514.10 × 62,476,914.80
  4. Step 4: Simplify right side
    78,739,009.40x = 7,379,055,572,580,298
  5. Step 5: Solve for x
    x = 7,379,055,572,580,298/78,739,009.40
  6. Step 6: Final answer
    x = 93,715,372.20

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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.