Home / 154,549,557.80-231,824,336.70-69,614,901.80

Finding the Fourth Proportional to 154,549,557.80, 231,824,336.70 and 69,614,901.80

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Solution

The fourth proportional to 154,549,557.80, 231,824,336.70 and 69,614,901.80 is: 104,422,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,549,557.80 : 231,824,336.70 = 69,614,901.80 : x
  2. Step 2: Convert to fraction form
    154,549,557.80/231,824,336.70 = 69,614,901.80/x
  3. Step 3: Cross multiply
    154,549,557.80x = 231,824,336.70 × 69,614,901.80
  4. Step 4: Simplify right side
    154,549,557.80x = 16,138,428,434,220,634
  5. Step 5: Solve for x
    x = 16,138,428,434,220,634/154,549,557.80
  6. Step 6: Final answer
    x = 104,422,352.70

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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.