Home / 148,781,313.36-205,304,117.40-82,693,964.16

Finding the Fourth Proportional to 148,781,313.36, 205,304,117.40 and 82,693,964.16

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Solution

The fourth proportional to 148,781,313.36, 205,304,117.40 and 82,693,964.16 is: 114,109,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,781,313.36 : 205,304,117.40 = 82,693,964.16 : x
  2. Step 2: Convert to fraction form
    148,781,313.36/205,304,117.40 = 82,693,964.16/x
  3. Step 3: Cross multiply
    148,781,313.36x = 205,304,117.40 × 82,693,964.16
  4. Step 4: Simplify right side
    148,781,313.36x = 16,977,411,326,176,032
  5. Step 5: Solve for x
    x = 16,977,411,326,176,032/148,781,313.36
  6. Step 6: Final answer
    x = 114,109,836.40

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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.