Home / 125,964,242.40-188,827,477.20-68,371,615.20

Finding the Fourth Proportional to 125,964,242.40, 188,827,477.20 and 68,371,615.20

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Solution

The fourth proportional to 125,964,242.40, 188,827,477.20 and 68,371,615.20 is: 102,492,892.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,964,242.40 : 188,827,477.20 = 68,371,615.20 : x
  2. Step 2: Convert to fraction form
    125,964,242.40/188,827,477.20 = 68,371,615.20/x
  3. Step 3: Cross multiply
    125,964,242.40x = 188,827,477.20 × 68,371,615.20
  4. Step 4: Simplify right side
    125,964,242.40x = 12,910,439,610,305,174
  5. Step 5: Solve for x
    x = 12,910,439,610,305,174/125,964,242.40
  6. Step 6: Final answer
    x = 102,492,892.94

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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.