Home / 106,315,007.40-159,472,511.10-105,307,237.80

Finding the Fourth Proportional to 106,315,007.40, 159,472,511.10 and 105,307,237.80

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Solution

The fourth proportional to 106,315,007.40, 159,472,511.10 and 105,307,237.80 is: 157,960,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,315,007.40 : 159,472,511.10 = 105,307,237.80 : x
  2. Step 2: Convert to fraction form
    106,315,007.40/159,472,511.10 = 105,307,237.80/x
  3. Step 3: Cross multiply
    106,315,007.40x = 159,472,511.10 × 105,307,237.80
  4. Step 4: Simplify right side
    106,315,007.40x = 16,793,609,648,970,838
  5. Step 5: Solve for x
    x = 16,793,609,648,970,838/106,315,007.40
  6. Step 6: Final answer
    x = 157,960,856.70

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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.