Home / 245,615,427.40-368,423,141.10-130,824,171.40

Finding the Fourth Proportional to 245,615,427.40, 368,423,141.10 and 130,824,171.40

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Solution

The fourth proportional to 245,615,427.40, 368,423,141.10 and 130,824,171.40 is: 196,236,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,615,427.40 : 368,423,141.10 = 130,824,171.40 : x
  2. Step 2: Convert to fraction form
    245,615,427.40/368,423,141.10 = 130,824,171.40/x
  3. Step 3: Cross multiply
    245,615,427.40x = 368,423,141.10 × 130,824,171.40
  4. Step 4: Simplify right side
    245,615,427.40x = 48,198,652,158,992,792
  5. Step 5: Solve for x
    x = 48,198,652,158,992,792/245,615,427.40
  6. Step 6: Final answer
    x = 196,236,257.10

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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.