Home / 314,928,901.20-472,393,351.80-96,612,938.40

Finding the Fourth Proportional to 314,928,901.20, 472,393,351.80 and 96,612,938.40

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Solution

The fourth proportional to 314,928,901.20, 472,393,351.80 and 96,612,938.40 is: 144,919,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,901.20 : 472,393,351.80 = 96,612,938.40 : x
  2. Step 2: Convert to fraction form
    314,928,901.20/472,393,351.80 = 96,612,938.40/x
  3. Step 3: Cross multiply
    314,928,901.20x = 472,393,351.80 × 96,612,938.40
  4. Step 4: Simplify right side
    314,928,901.20x = 45,639,309,798,022,936
  5. Step 5: Solve for x
    x = 45,639,309,798,022,936/314,928,901.20
  6. Step 6: Final answer
    x = 144,919,407.60

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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.