Home / 84,607,582.60-126,920,705.10-27,090,065.80

Finding the Fourth Proportional to 84,607,582.60, 126,920,705.10 and 27,090,065.80

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Solution

The fourth proportional to 84,607,582.60, 126,920,705.10 and 27,090,065.80 is: 40,638,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,607,582.60 : 126,920,705.10 = 27,090,065.80 : x
  2. Step 2: Convert to fraction form
    84,607,582.60/126,920,705.10 = 27,090,065.80/x
  3. Step 3: Cross multiply
    84,607,582.60x = 126,920,705.10 × 27,090,065.80
  4. Step 4: Simplify right side
    84,607,582.60x = 3,438,290,252,541,395.50
  5. Step 5: Solve for x
    x = 3,438,290,252,541,395.50/84,607,582.60
  6. Step 6: Final answer
    x = 40,638,086.41

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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.