Home / 148,616,960.83-205,091,885.18-82,537,459.09

Finding the Fourth Proportional to 148,616,960.83, 205,091,885.18 and 82,537,459.09

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Solution

The fourth proportional to 148,616,960.83, 205,091,885.18 and 82,537,459.09 is: 113,901,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,616,960.83 : 205,091,885.18 = 82,537,459.09 : x
  2. Step 2: Convert to fraction form
    148,616,960.83/205,091,885.18 = 82,537,459.09/x
  3. Step 3: Cross multiply
    148,616,960.83x = 205,091,885.18 × 82,537,459.09
  4. Step 4: Simplify right side
    148,616,960.83x = 16,927,763,082,428,842
  5. Step 5: Solve for x
    x = 16,927,763,082,428,842/148,616,960.83
  6. Step 6: Final answer
    x = 113,901,959.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.