Home / 152,931,643.48-229,469,208.54-76,260,650.68

Finding the Fourth Proportional to 152,931,643.48, 229,469,208.54 and 76,260,650.68

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Solution

The fourth proportional to 152,931,643.48, 229,469,208.54 and 76,260,650.68 is: 114,426,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,931,643.48 : 229,469,208.54 = 76,260,650.68 : x
  2. Step 2: Convert to fraction form
    152,931,643.48/229,469,208.54 = 76,260,650.68/x
  3. Step 3: Cross multiply
    152,931,643.48x = 229,469,208.54 × 76,260,650.68
  4. Step 4: Simplify right side
    152,931,643.48x = 17,499,471,154,285,014
  5. Step 5: Solve for x
    x = 17,499,471,154,285,014/152,931,643.48
  6. Step 6: Final answer
    x = 114,426,751.43

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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.