Home / 277,258,806.78-382,615,749.96-151,808,723.40

Finding the Fourth Proportional to 277,258,806.78, 382,615,749.96 and 151,808,723.40

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Solution

The fourth proportional to 277,258,806.78, 382,615,749.96 and 151,808,723.40 is: 209,495,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,258,806.78 : 382,615,749.96 = 151,808,723.40 : x
  2. Step 2: Convert to fraction form
    277,258,806.78/382,615,749.96 = 151,808,723.40/x
  3. Step 3: Cross multiply
    277,258,806.78x = 382,615,749.96 × 151,808,723.40
  4. Step 4: Simplify right side
    277,258,806.78x = 58,084,408,554,161,200
  5. Step 5: Solve for x
    x = 58,084,408,554,161,200/277,258,806.78
  6. Step 6: Final answer
    x = 209,495,269.88

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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.