Home / 90,116,585.04-135,191,692.68-40,935,892.80

Finding the Fourth Proportional to 90,116,585.04, 135,191,692.68 and 40,935,892.80

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Solution

The fourth proportional to 90,116,585.04, 135,191,692.68 and 40,935,892.80 is: 61,411,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,116,585.04 : 135,191,692.68 = 40,935,892.80 : x
  2. Step 2: Convert to fraction form
    90,116,585.04/135,191,692.68 = 40,935,892.80/x
  3. Step 3: Cross multiply
    90,116,585.04x = 135,191,692.68 × 40,935,892.80
  4. Step 4: Simplify right side
    90,116,585.04x = 5,534,192,638,999,025
  5. Step 5: Solve for x
    x = 5,534,192,638,999,025/90,116,585.04
  6. Step 6: Final answer
    x = 61,411,477.55

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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.