Home / 315,615,377.38-435,562,671.90-176,386,135.03

Finding the Fourth Proportional to 315,615,377.38, 435,562,671.90 and 176,386,135.03

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Solution

The fourth proportional to 315,615,377.38, 435,562,671.90 and 176,386,135.03 is: 243,420,383.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,615,377.38 : 435,562,671.90 = 176,386,135.03 : x
  2. Step 2: Convert to fraction form
    315,615,377.38/435,562,671.90 = 176,386,135.03/x
  3. Step 3: Cross multiply
    315,615,377.38x = 435,562,671.90 × 176,386,135.03
  4. Step 4: Simplify right side
    315,615,377.38x = 76,827,216,259,780,976
  5. Step 5: Solve for x
    x = 76,827,216,259,780,976/315,615,377.38
  6. Step 6: Final answer
    x = 243,420,383.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.