Home / 84,607,572.60-126,920,690.10-27,090,055.80

Finding the Fourth Proportional to 84,607,572.60, 126,920,690.10 and 27,090,055.80

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Solution

The fourth proportional to 84,607,572.60, 126,920,690.10 and 27,090,055.80 is: 40,638,071.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,607,572.60 : 126,920,690.10 = 27,090,055.80 : x
  2. Step 2: Convert to fraction form
    84,607,572.60/126,920,690.10 = 27,090,055.80/x
  3. Step 3: Cross multiply
    84,607,572.60x = 126,920,690.10 × 27,090,055.80
  4. Step 4: Simplify right side
    84,607,572.60x = 3,438,288,576,983,507.50
  5. Step 5: Solve for x
    x = 3,438,288,576,983,507.50/84,607,572.60
  6. Step 6: Final answer
    x = 40,638,071.41

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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.