Home / 169,488,069.40-254,265,281.70-72,443,589.40

Finding the Fourth Proportional to 169,488,069.40, 254,265,281.70 and 72,443,589.40

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Solution

The fourth proportional to 169,488,069.40, 254,265,281.70 and 72,443,589.40 is: 108,679,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,488,069.40 : 254,265,281.70 = 72,443,589.40 : x
  2. Step 2: Convert to fraction form
    169,488,069.40/254,265,281.70 = 72,443,589.40/x
  3. Step 3: Cross multiply
    169,488,069.40x = 254,265,281.70 × 72,443,589.40
  4. Step 4: Simplify right side
    169,488,069.40x = 18,419,889,666,150,136
  5. Step 5: Solve for x
    x = 18,419,889,666,150,136/169,488,069.40
  6. Step 6: Final answer
    x = 108,679,565.07

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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.