Home / 145,220,203.84-217,894,632.15-76,116,584.59

Finding the Fourth Proportional to 145,220,203.84, 217,894,632.15 and 76,116,584.59

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Solution

The fourth proportional to 145,220,203.84, 217,894,632.15 and 76,116,584.59 is: 114,208,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220,203.84 : 217,894,632.15 = 76,116,584.59 : x
  2. Step 2: Convert to fraction form
    145,220,203.84/217,894,632.15 = 76,116,584.59/x
  3. Step 3: Cross multiply
    145,220,203.84x = 217,894,632.15 × 76,116,584.59
  4. Step 4: Simplify right side
    145,220,203.84x = 16,585,395,199,752,410
  5. Step 5: Solve for x
    x = 16,585,395,199,752,410/145,220,203.84
  6. Step 6: Final answer
    x = 114,208,593.30

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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.