Home / 71,059,058.60-106,446,870.30-40,731,492.20

Finding the Fourth Proportional to 71,059,058.60, 106,446,870.30 and 40,731,492.20

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Solution

The fourth proportional to 71,059,058.60, 106,446,870.30 and 40,731,492.20 is: 61,016,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,059,058.60 : 106,446,870.30 = 40,731,492.20 : x
  2. Step 2: Convert to fraction form
    71,059,058.60/106,446,870.30 = 40,731,492.20/x
  3. Step 3: Cross multiply
    71,059,058.60x = 106,446,870.30 × 40,731,492.20
  4. Step 4: Simplify right side
    71,059,058.60x = 4,335,739,867,338,862
  5. Step 5: Solve for x
    x = 4,335,739,867,338,862/71,059,058.60
  6. Step 6: Final answer
    x = 61,016,004.89

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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.