Home / 113,931,970.62-170,614,520.73-79,692,998.46

Finding the Fourth Proportional to 113,931,970.62, 170,614,520.73 and 79,692,998.46

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Solution

The fourth proportional to 113,931,970.62, 170,614,520.73 and 79,692,998.46 is: 119,341,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,931,970.62 : 170,614,520.73 = 79,692,998.46 : x
  2. Step 2: Convert to fraction form
    113,931,970.62/170,614,520.73 = 79,692,998.46/x
  3. Step 3: Cross multiply
    113,931,970.62x = 170,614,520.73 × 79,692,998.46
  4. Step 4: Simplify right side
    113,931,970.62x = 13,596,782,737,789,526
  5. Step 5: Solve for x
    x = 13,596,782,737,789,526/113,931,970.62
  6. Step 6: Final answer
    x = 119,341,240.78

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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.