Home / 115,942,483.50-159,947,304.21-102,725,141.40

Finding the Fourth Proportional to 115,942,483.50, 159,947,304.21 and 102,725,141.40

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Solution

The fourth proportional to 115,942,483.50, 159,947,304.21 and 102,725,141.40 is: 141,713,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,942,483.50 : 159,947,304.21 = 102,725,141.40 : x
  2. Step 2: Convert to fraction form
    115,942,483.50/159,947,304.21 = 102,725,141.40/x
  3. Step 3: Cross multiply
    115,942,483.50x = 159,947,304.21 × 102,725,141.40
  4. Step 4: Simplify right side
    115,942,483.50x = 16,430,609,441,521,068
  5. Step 5: Solve for x
    x = 16,430,609,441,521,068/115,942,483.50
  6. Step 6: Final answer
    x = 141,713,450.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.