Home / 154,549,571.80-231,824,357.70-69,614,915.80

Finding the Fourth Proportional to 154,549,571.80, 231,824,357.70 and 69,614,915.80

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Solution

The fourth proportional to 154,549,571.80, 231,824,357.70 and 69,614,915.80 is: 104,422,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,549,571.80 : 231,824,357.70 = 69,614,915.80 : x
  2. Step 2: Convert to fraction form
    154,549,571.80/231,824,357.70 = 69,614,915.80/x
  3. Step 3: Cross multiply
    154,549,571.80x = 231,824,357.70 × 69,614,915.80
  4. Step 4: Simplify right side
    154,549,571.80x = 16,138,433,141,674,580
  5. Step 5: Solve for x
    x = 16,138,433,141,674,580/154,549,571.80
  6. Step 6: Final answer
    x = 104,422,373.70

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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.