Home / 399,310,814.40-598,966,221.60-112,059,153.60

Finding the Fourth Proportional to 399,310,814.40, 598,966,221.60 and 112,059,153.60

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Solution

The fourth proportional to 399,310,814.40, 598,966,221.60 and 112,059,153.60 is: 168,088,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,310,814.40 : 598,966,221.60 = 112,059,153.60 : x
  2. Step 2: Convert to fraction form
    399,310,814.40/598,966,221.60 = 112,059,153.60/x
  3. Step 3: Cross multiply
    399,310,814.40x = 598,966,221.60 × 112,059,153.60
  4. Step 4: Simplify right side
    399,310,814.40x = 67,119,647,827,486,040
  5. Step 5: Solve for x
    x = 67,119,647,827,486,040/399,310,814.40
  6. Step 6: Final answer
    x = 168,088,730.40

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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.