Home / 315,615,360.62-435,562,648.83-176,386,118.28

Finding the Fourth Proportional to 315,615,360.62, 435,562,648.83 and 176,386,118.28

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Solution

The fourth proportional to 315,615,360.62, 435,562,648.83 and 176,386,118.28 is: 243,420,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,615,360.62 : 435,562,648.83 = 176,386,118.28 : x
  2. Step 2: Convert to fraction form
    315,615,360.62/435,562,648.83 = 176,386,118.28/x
  3. Step 3: Cross multiply
    315,615,360.62x = 435,562,648.83 × 176,386,118.28
  4. Step 4: Simplify right side
    315,615,360.62x = 76,827,204,894,878,480
  5. Step 5: Solve for x
    x = 76,827,204,894,878,480/315,615,360.62
  6. Step 6: Final answer
    x = 243,420,360.61

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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.