Home / 245,615,432.40-368,423,148.60-130,824,176.40

Finding the Fourth Proportional to 245,615,432.40, 368,423,148.60 and 130,824,176.40

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Solution

The fourth proportional to 245,615,432.40, 368,423,148.60 and 130,824,176.40 is: 196,236,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,615,432.40 : 368,423,148.60 = 130,824,176.40 : x
  2. Step 2: Convert to fraction form
    245,615,432.40/368,423,148.60 = 130,824,176.40/x
  3. Step 3: Cross multiply
    245,615,432.40x = 368,423,148.60 × 130,824,176.40
  4. Step 4: Simplify right side
    245,615,432.40x = 48,198,654,982,289,816
  5. Step 5: Solve for x
    x = 48,198,654,982,289,816/245,615,432.40
  6. Step 6: Final answer
    x = 196,236,264.60

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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.