Home / 425,471,947.60-637,760,023.80-166,587,134.80

Finding the Fourth Proportional to 425,471,947.60, 637,760,023.80 and 166,587,134.80

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Solution

The fourth proportional to 425,471,947.60, 637,760,023.80 and 166,587,134.80 is: 249,705,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,471,947.60 : 637,760,023.80 = 166,587,134.80 : x
  2. Step 2: Convert to fraction form
    425,471,947.60/637,760,023.80 = 166,587,134.80/x
  3. Step 3: Cross multiply
    425,471,947.60x = 637,760,023.80 × 166,587,134.80
  4. Step 4: Simplify right side
    425,471,947.60x = 106,242,615,054,821,808
  5. Step 5: Solve for x
    x = 106,242,615,054,821,808/425,471,947.60
  6. Step 6: Final answer
    x = 249,705,334.64

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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.