Home / 90,425,250.90-135,637,876.35-29,014,290.90

Finding the Fourth Proportional to 90,425,250.90, 135,637,876.35 and 29,014,290.90

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Solution

The fourth proportional to 90,425,250.90, 135,637,876.35 and 29,014,290.90 is: 43,521,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,425,250.90 : 135,637,876.35 = 29,014,290.90 : x
  2. Step 2: Convert to fraction form
    90,425,250.90/135,637,876.35 = 29,014,290.90/x
  3. Step 3: Cross multiply
    90,425,250.90x = 135,637,876.35 × 29,014,290.90
  4. Step 4: Simplify right side
    90,425,250.90x = 3,935,436,801,477,130
  5. Step 5: Solve for x
    x = 3,935,436,801,477,130/90,425,250.90
  6. Step 6: Final answer
    x = 43,521,436.35

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Double scale
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Similar ratio
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1.5x scale

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.