Home / 314,928,528.30-472,392,792.45-84,889,370.70

Finding the Fourth Proportional to 314,928,528.30, 472,392,792.45 and 84,889,370.70

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Solution

The fourth proportional to 314,928,528.30, 472,392,792.45 and 84,889,370.70 is: 127,334,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,528.30 : 472,392,792.45 = 84,889,370.70 : x
  2. Step 2: Convert to fraction form
    314,928,528.30/472,392,792.45 = 84,889,370.70/x
  3. Step 3: Cross multiply
    314,928,528.30x = 472,392,792.45 × 84,889,370.70
  4. Step 4: Simplify right side
    314,928,528.30x = 40,101,126,874,296,208
  5. Step 5: Solve for x
    x = 40,101,126,874,296,208/314,928,528.30
  6. Step 6: Final answer
    x = 127,334,056.05

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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.