Home / 190,349,148.20-285,521,409.84-52,174,638.96

Finding the Fourth Proportional to 190,349,148.20, 285,521,409.84 and 52,174,638.96

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Solution

The fourth proportional to 190,349,148.20, 285,521,409.84 and 52,174,638.96 is: 78,261,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,349,148.20 : 285,521,409.84 = 52,174,638.96 : x
  2. Step 2: Convert to fraction form
    190,349,148.20/285,521,409.84 = 52,174,638.96/x
  3. Step 3: Cross multiply
    190,349,148.20x = 285,521,409.84 × 52,174,638.96
  4. Step 4: Simplify right side
    190,349,148.20x = 14,896,976,472,877,140
  5. Step 5: Solve for x
    x = 14,896,976,472,877,140/190,349,148.20
  6. Step 6: Final answer
    x = 78,261,324.59

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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.