Home / 52,759,495.62-72,808,857.45-30,732,420.42

Finding the Fourth Proportional to 52,759,495.62, 72,808,857.45 and 30,732,420.42

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Solution

The fourth proportional to 52,759,495.62, 72,808,857.45 and 30,732,420.42 is: 42,411,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,759,495.62 : 72,808,857.45 = 30,732,420.42 : x
  2. Step 2: Convert to fraction form
    52,759,495.62/72,808,857.45 = 30,732,420.42/x
  3. Step 3: Cross multiply
    52,759,495.62x = 72,808,857.45 × 30,732,420.42
  4. Step 4: Simplify right side
    52,759,495.62x = 2,237,592,417,453,249.25
  5. Step 5: Solve for x
    x = 2,237,592,417,453,249.25/52,759,495.62
  6. Step 6: Final answer
    x = 42,411,179.09

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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.