Home / 168,109,526.40-252,164,289.60-139,411,712.40

Finding the Fourth Proportional to 168,109,526.40, 252,164,289.60 and 139,411,712.40

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Solution

The fourth proportional to 168,109,526.40, 252,164,289.60 and 139,411,712.40 is: 209,117,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,109,526.40 : 252,164,289.60 = 139,411,712.40 : x
  2. Step 2: Convert to fraction form
    168,109,526.40/252,164,289.60 = 139,411,712.40/x
  3. Step 3: Cross multiply
    168,109,526.40x = 252,164,289.60 × 139,411,712.40
  4. Step 4: Simplify right side
    168,109,526.40x = 35,154,655,419,265,512
  5. Step 5: Solve for x
    x = 35,154,655,419,265,512/168,109,526.40
  6. Step 6: Final answer
    x = 209,117,568.60

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1.5x scale

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.