Home / 168,273,420.40-252,410,130.60-77,574,156.40

Finding the Fourth Proportional to 168,273,420.40, 252,410,130.60 and 77,574,156.40

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Solution

The fourth proportional to 168,273,420.40, 252,410,130.60 and 77,574,156.40 is: 116,361,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,273,420.40 : 252,410,130.60 = 77,574,156.40 : x
  2. Step 2: Convert to fraction form
    168,273,420.40/252,410,130.60 = 77,574,156.40/x
  3. Step 3: Cross multiply
    168,273,420.40x = 252,410,130.60 × 77,574,156.40
  4. Step 4: Simplify right side
    168,273,420.40x = 19,580,502,948,108,828
  5. Step 5: Solve for x
    x = 19,580,502,948,108,828/168,273,420.40
  6. Step 6: Final answer
    x = 116,361,234.60

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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.