Home / 282,449,941.20-423,674,911.80-100,703,048.40

Finding the Fourth Proportional to 282,449,941.20, 423,674,911.80 and 100,703,048.40

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Solution

The fourth proportional to 282,449,941.20, 423,674,911.80 and 100,703,048.40 is: 151,054,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,449,941.20 : 423,674,911.80 = 100,703,048.40 : x
  2. Step 2: Convert to fraction form
    282,449,941.20/423,674,911.80 = 100,703,048.40/x
  3. Step 3: Cross multiply
    282,449,941.20x = 423,674,911.80 × 100,703,048.40
  4. Step 4: Simplify right side
    282,449,941.20x = 42,665,355,148,861,136
  5. Step 5: Solve for x
    x = 42,665,355,148,861,136/282,449,941.20
  6. Step 6: Final answer
    x = 151,054,572.60

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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.