Home / 282,449,939.20-423,674,908.80-100,703,046.40

Finding the Fourth Proportional to 282,449,939.20, 423,674,908.80 and 100,703,046.40

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Solution

The fourth proportional to 282,449,939.20, 423,674,908.80 and 100,703,046.40 is: 151,054,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,449,939.20 : 423,674,908.80 = 100,703,046.40 : x
  2. Step 2: Convert to fraction form
    282,449,939.20/423,674,908.80 = 100,703,046.40/x
  3. Step 3: Cross multiply
    282,449,939.20x = 423,674,908.80 × 100,703,046.40
  4. Step 4: Simplify right side
    282,449,939.20x = 42,665,353,999,402,176
  5. Step 5: Solve for x
    x = 42,665,353,999,402,176/282,449,939.20
  6. Step 6: Final answer
    x = 151,054,569.60

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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.