Home / 425,471,946.60-637,760,022.30-166,587,133.80

Finding the Fourth Proportional to 425,471,946.60, 637,760,022.30 and 166,587,133.80

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Solution

The fourth proportional to 425,471,946.60, 637,760,022.30 and 166,587,133.80 is: 249,705,333.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,471,946.60 : 637,760,022.30 = 166,587,133.80 : x
  2. Step 2: Convert to fraction form
    425,471,946.60/637,760,022.30 = 166,587,133.80/x
  3. Step 3: Cross multiply
    425,471,946.60x = 637,760,022.30 × 166,587,133.80
  4. Step 4: Simplify right side
    425,471,946.60x = 106,242,614,167,181,088
  5. Step 5: Solve for x
    x = 106,242,614,167,181,088/425,471,946.60
  6. Step 6: Final answer
    x = 249,705,333.14

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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.