Home / 42,348,537-63,447,654.80-17,702,133.21

Finding the Fourth Proportional to 42,348,537, 63,447,654.80 and 17,702,133.21

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Solution

The fourth proportional to 42,348,537, 63,447,654.80 and 17,702,133.21 is: 26,521,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,348,537 : 63,447,654.80 = 17,702,133.21 : x
  2. Step 2: Convert to fraction form
    42,348,537/63,447,654.80 = 17,702,133.21/x
  3. Step 3: Cross multiply
    42,348,537x = 63,447,654.80 × 17,702,133.21
  4. Step 4: Simplify right side
    42,348,537x = 1,123,158,837,131,695.88
  5. Step 5: Solve for x
    x = 1,123,158,837,131,695.88/42,348,537
  6. Step 6: Final answer
    x = 26,521,786.03

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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.