Home / 402,283,147.30-603,283,003.35-143,506,809.70

Finding the Fourth Proportional to 402,283,147.30, 603,283,003.35 and 143,506,809.70

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Solution

The fourth proportional to 402,283,147.30, 603,283,003.35 and 143,506,809.70 is: 215,209,659.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,283,147.30 : 603,283,003.35 = 143,506,809.70 : x
  2. Step 2: Convert to fraction form
    402,283,147.30/603,283,003.35 = 143,506,809.70/x
  3. Step 3: Cross multiply
    402,283,147.30x = 603,283,003.35 × 143,506,809.70
  4. Step 4: Simplify right side
    402,283,147.30x = 86,575,219,156,992,912
  5. Step 5: Solve for x
    x = 86,575,219,156,992,912/402,283,147.30
  6. Step 6: Final answer
    x = 215,209,659.51

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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.