Home / 163,303,319.20-245,066,953.20-72,492,080.80

Finding the Fourth Proportional to 163,303,319.20, 245,066,953.20 and 72,492,080.80

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Solution

The fourth proportional to 163,303,319.20, 245,066,953.20 and 72,492,080.80 is: 108,787,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,303,319.20 : 245,066,953.20 = 72,492,080.80 : x
  2. Step 2: Convert to fraction form
    163,303,319.20/245,066,953.20 = 72,492,080.80/x
  3. Step 3: Cross multiply
    163,303,319.20x = 245,066,953.20 × 72,492,080.80
  4. Step 4: Simplify right side
    163,303,319.20x = 17,765,413,372,784,216
  5. Step 5: Solve for x
    x = 17,765,413,372,784,216/163,303,319.20
  6. Step 6: Final answer
    x = 108,787,827.83

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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.