Home / 314,928,637.20-472,392,955.80-159,960,441.60

Finding the Fourth Proportional to 314,928,637.20, 472,392,955.80 and 159,960,441.60

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Solution

The fourth proportional to 314,928,637.20, 472,392,955.80 and 159,960,441.60 is: 239,940,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,637.20 : 472,392,955.80 = 159,960,441.60 : x
  2. Step 2: Convert to fraction form
    314,928,637.20/472,392,955.80 = 159,960,441.60/x
  3. Step 3: Cross multiply
    314,928,637.20x = 472,392,955.80 × 159,960,441.60
  4. Step 4: Simplify right side
    314,928,637.20x = 75,564,185,818,497,280
  5. Step 5: Solve for x
    x = 75,564,185,818,497,280/314,928,637.20
  6. Step 6: Final answer
    x = 239,940,662.40

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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.