Home / 99,648,215.80-149,495,943.30-51,133,557.40

Finding the Fourth Proportional to 99,648,215.80, 149,495,943.30 and 51,133,557.40

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Solution

The fourth proportional to 99,648,215.80, 149,495,943.30 and 51,133,557.40 is: 76,712,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,648,215.80 : 149,495,943.30 = 51,133,557.40 : x
  2. Step 2: Convert to fraction form
    99,648,215.80/149,495,943.30 = 51,133,557.40/x
  3. Step 3: Cross multiply
    99,648,215.80x = 149,495,943.30 × 51,133,557.40
  4. Step 4: Simplify right side
    99,648,215.80x = 7,644,259,397,797,696
  5. Step 5: Solve for x
    x = 7,644,259,397,797,696/99,648,215.80
  6. Step 6: Final answer
    x = 76,712,456.28

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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.