Home / 369,215,384.75-553,824,015.16-150,865,727.12

Finding the Fourth Proportional to 369,215,384.75, 553,824,015.16 and 150,865,727.12

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Solution

The fourth proportional to 369,215,384.75, 553,824,015.16 and 150,865,727.12 is: 226,298,973.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,215,384.75 : 553,824,015.16 = 150,865,727.12 : x
  2. Step 2: Convert to fraction form
    369,215,384.75/553,824,015.16 = 150,865,727.12/x
  3. Step 3: Cross multiply
    369,215,384.75x = 553,824,015.16 × 150,865,727.12
  4. Step 4: Simplify right side
    369,215,384.75x = 83,553,062,744,638,704
  5. Step 5: Solve for x
    x = 83,553,062,744,638,704/369,215,384.75
  6. Step 6: Final answer
    x = 226,298,973.97

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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.