Home / 89,165,630.80-133,748,446.20-28,587,480.40

Finding the Fourth Proportional to 89,165,630.80, 133,748,446.20 and 28,587,480.40

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Solution

The fourth proportional to 89,165,630.80, 133,748,446.20 and 28,587,480.40 is: 42,881,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,165,630.80 : 133,748,446.20 = 28,587,480.40 : x
  2. Step 2: Convert to fraction form
    89,165,630.80/133,748,446.20 = 28,587,480.40/x
  3. Step 3: Cross multiply
    89,165,630.80x = 133,748,446.20 × 28,587,480.40
  4. Step 4: Simplify right side
    89,165,630.80x = 3,823,531,084,272,954.50
  5. Step 5: Solve for x
    x = 3,823,531,084,272,954.50/89,165,630.80
  6. Step 6: Final answer
    x = 42,881,220.60

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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.