Home / 74,179,703.90-102,354,455.89-42,806,307.42

Finding the Fourth Proportional to 74,179,703.90, 102,354,455.89 and 42,806,307.42

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Solution

The fourth proportional to 74,179,703.90, 102,354,455.89 and 42,806,307.42 is: 59,064,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,179,703.90 : 102,354,455.89 = 42,806,307.42 : x
  2. Step 2: Convert to fraction form
    74,179,703.90/102,354,455.89 = 42,806,307.42/x
  3. Step 3: Cross multiply
    74,179,703.90x = 102,354,455.89 × 42,806,307.42
  4. Step 4: Simplify right side
    74,179,703.90x = 4,381,416,304,420,138.50
  5. Step 5: Solve for x
    x = 4,381,416,304,420,138.50/74,179,703.90
  6. Step 6: Final answer
    x = 59,064,893.42

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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.