Home / 282,186,727.20-423,280,090.80-161,030,426.40

Finding the Fourth Proportional to 282,186,727.20, 423,280,090.80 and 161,030,426.40

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Solution

The fourth proportional to 282,186,727.20, 423,280,090.80 and 161,030,426.40 is: 241,545,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,186,727.20 : 423,280,090.80 = 161,030,426.40 : x
  2. Step 2: Convert to fraction form
    282,186,727.20/423,280,090.80 = 161,030,426.40/x
  3. Step 3: Cross multiply
    282,186,727.20x = 423,280,090.80 × 161,030,426.40
  4. Step 4: Simplify right side
    282,186,727.20x = 68,160,973,508,154,720
  5. Step 5: Solve for x
    x = 68,160,973,508,154,720/282,186,727.20
  6. Step 6: Final answer
    x = 241,545,639.60

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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.