Home / 145,463,853.17-200,744,369.19-79,388,592.11

Finding the Fourth Proportional to 145,463,853.17, 200,744,369.19 and 79,388,592.11

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Solution

The fourth proportional to 145,463,853.17, 200,744,369.19 and 79,388,592.11 is: 109,558,577.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,463,853.17 : 200,744,369.19 = 79,388,592.11 : x
  2. Step 2: Convert to fraction form
    145,463,853.17/200,744,369.19 = 79,388,592.11/x
  3. Step 3: Cross multiply
    145,463,853.17x = 200,744,369.19 × 79,388,592.11
  4. Step 4: Simplify right side
    145,463,853.17x = 15,936,812,843,000,440
  5. Step 5: Solve for x
    x = 15,936,812,843,000,440/145,463,853.17
  6. Step 6: Final answer
    x = 109,558,577.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.