Home / 314,928,123.80-472,392,185.70-153,684,987.80

Finding the Fourth Proportional to 314,928,123.80, 472,392,185.70 and 153,684,987.80

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Solution

The fourth proportional to 314,928,123.80, 472,392,185.70 and 153,684,987.80 is: 230,527,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,123.80 : 472,392,185.70 = 153,684,987.80 : x
  2. Step 2: Convert to fraction form
    314,928,123.80/472,392,185.70 = 153,684,987.80/x
  3. Step 3: Cross multiply
    314,928,123.80x = 472,392,185.70 × 153,684,987.80
  4. Step 4: Simplify right side
    314,928,123.80x = 72,599,587,296,119,840
  5. Step 5: Solve for x
    x = 72,599,587,296,119,840/314,928,123.80
  6. Step 6: Final answer
    x = 230,527,481.70

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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.