Home / 315,615,364.62-435,562,654.35-176,386,122.28

Finding the Fourth Proportional to 315,615,364.62, 435,562,654.35 and 176,386,122.28

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Solution

The fourth proportional to 315,615,364.62, 435,562,654.35 and 176,386,122.28 is: 243,420,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,615,364.62 : 435,562,654.35 = 176,386,122.28 : x
  2. Step 2: Convert to fraction form
    315,615,364.62/435,562,654.35 = 176,386,122.28/x
  3. Step 3: Cross multiply
    315,615,364.62x = 435,562,654.35 × 176,386,122.28
  4. Step 4: Simplify right side
    315,615,364.62x = 76,827,207,610,780,480
  5. Step 5: Solve for x
    x = 76,827,207,610,780,480/315,615,364.62
  6. Step 6: Final answer
    x = 243,420,366.13

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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.