Home / 434,631,617.80-651,723,477.90-161,861,979.40

Finding the Fourth Proportional to 434,631,617.80, 651,723,477.90 and 161,861,979.40

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Solution

The fourth proportional to 434,631,617.80, 651,723,477.90 and 161,861,979.40 is: 242,709,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,631,617.80 : 651,723,477.90 = 161,861,979.40 : x
  2. Step 2: Convert to fraction form
    434,631,617.80/651,723,477.90 = 161,861,979.40/x
  3. Step 3: Cross multiply
    434,631,617.80x = 651,723,477.90 × 161,861,979.40
  4. Step 4: Simplify right side
    434,631,617.80x = 105,489,252,154,346,160
  5. Step 5: Solve for x
    x = 105,489,252,154,346,160/434,631,617.80
  6. Step 6: Final answer
    x = 242,709,567.91

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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.