Home / 220,161,188.40-330,240,470.40-56,398,628.40

Finding the Fourth Proportional to 220,161,188.40, 330,240,470.40 and 56,398,628.40

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Solution

The fourth proportional to 220,161,188.40, 330,240,470.40 and 56,398,628.40 is: 84,597,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,161,188.40 : 330,240,470.40 = 56,398,628.40 : x
  2. Step 2: Convert to fraction form
    220,161,188.40/330,240,470.40 = 56,398,628.40/x
  3. Step 3: Cross multiply
    220,161,188.40x = 330,240,470.40 × 56,398,628.40
  4. Step 4: Simplify right side
    220,161,188.40x = 18,625,109,572,730,796
  5. Step 5: Solve for x
    x = 18,625,109,572,730,796/220,161,188.40
  6. Step 6: Final answer
    x = 84,597,606.45

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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.