Home / 145,866,153.62-201,292,923.50-79,786,073.88

Finding the Fourth Proportional to 145,866,153.62, 201,292,923.50 and 79,786,073.88

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Solution

The fourth proportional to 145,866,153.62, 201,292,923.50 and 79,786,073.88 is: 110,103,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,866,153.62 : 201,292,923.50 = 79,786,073.88 : x
  2. Step 2: Convert to fraction form
    145,866,153.62/201,292,923.50 = 79,786,073.88/x
  3. Step 3: Cross multiply
    145,866,153.62x = 201,292,923.50 × 79,786,073.88
  4. Step 4: Simplify right side
    145,866,153.62x = 16,060,372,065,892,188
  5. Step 5: Solve for x
    x = 16,060,372,065,892,188/145,866,153.62
  6. Step 6: Final answer
    x = 110,103,486.43

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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.