Home / 185,973,972.48-279,023,737.68-82,328,880.96

Finding the Fourth Proportional to 185,973,972.48, 279,023,737.68 and 82,328,880.96

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Solution

The fourth proportional to 185,973,972.48, 279,023,737.68 and 82,328,880.96 is: 123,521,113.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,973,972.48 : 279,023,737.68 = 82,328,880.96 : x
  2. Step 2: Convert to fraction form
    185,973,972.48/279,023,737.68 = 82,328,880.96/x
  3. Step 3: Cross multiply
    185,973,972.48x = 279,023,737.68 × 82,328,880.96
  4. Step 4: Simplify right side
    185,973,972.48x = 22,971,712,084,470,984
  5. Step 5: Solve for x
    x = 22,971,712,084,470,984/185,973,972.48
  6. Step 6: Final answer
    x = 123,521,113.08

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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.