Home / 421,243,226.30-581,312,480.10-235,604,251.10

Finding the Fourth Proportional to 421,243,226.30, 581,312,480.10 and 235,604,251.10

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Solution

The fourth proportional to 421,243,226.30, 581,312,480.10 and 235,604,251.10 is: 325,132,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,243,226.30 : 581,312,480.10 = 235,604,251.10 : x
  2. Step 2: Convert to fraction form
    421,243,226.30/581,312,480.10 = 235,604,251.10/x
  3. Step 3: Cross multiply
    421,243,226.30x = 581,312,480.10 × 235,604,251.10
  4. Step 4: Simplify right side
    421,243,226.30x = 136,959,691,529,044,160
  5. Step 5: Solve for x
    x = 136,959,691,529,044,160/421,243,226.30
  6. Step 6: Final answer
    x = 325,132,092.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.