Home / 399,310,750.40-598,966,125.60-112,059,089.60

Finding the Fourth Proportional to 399,310,750.40, 598,966,125.60 and 112,059,089.60

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Solution

The fourth proportional to 399,310,750.40, 598,966,125.60 and 112,059,089.60 is: 168,088,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,310,750.40 : 598,966,125.60 = 112,059,089.60 : x
  2. Step 2: Convert to fraction form
    399,310,750.40/598,966,125.60 = 112,059,089.60/x
  3. Step 3: Cross multiply
    399,310,750.40x = 598,966,125.60 × 112,059,089.60
  4. Step 4: Simplify right side
    399,310,750.40x = 67,119,598,735,975,256
  5. Step 5: Solve for x
    x = 67,119,598,735,975,256/399,310,750.40
  6. Step 6: Final answer
    x = 168,088,634.40

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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.