Home / 159,767,359.20-239,651,038.80-105,347,800.80

Finding the Fourth Proportional to 159,767,359.20, 239,651,038.80 and 105,347,800.80

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Solution

The fourth proportional to 159,767,359.20, 239,651,038.80 and 105,347,800.80 is: 158,021,701.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,767,359.20 : 239,651,038.80 = 105,347,800.80 : x
  2. Step 2: Convert to fraction form
    159,767,359.20/239,651,038.80 = 105,347,800.80/x
  3. Step 3: Cross multiply
    159,767,359.20x = 239,651,038.80 × 105,347,800.80
  4. Step 4: Simplify right side
    159,767,359.20x = 25,246,709,897,015,472
  5. Step 5: Solve for x
    x = 25,246,709,897,015,472/159,767,359.20
  6. Step 6: Final answer
    x = 158,021,701.20

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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.