Home / 53,665,307.90-80,497,961.85-47,842,639.10

Finding the Fourth Proportional to 53,665,307.90, 80,497,961.85 and 47,842,639.10

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Solution

The fourth proportional to 53,665,307.90, 80,497,961.85 and 47,842,639.10 is: 71,763,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,665,307.90 : 80,497,961.85 = 47,842,639.10 : x
  2. Step 2: Convert to fraction form
    53,665,307.90/80,497,961.85 = 47,842,639.10/x
  3. Step 3: Cross multiply
    53,665,307.90x = 80,497,961.85 × 47,842,639.10
  4. Step 4: Simplify right side
    53,665,307.90x = 3,851,234,937,075,118
  5. Step 5: Solve for x
    x = 3,851,234,937,075,118/53,665,307.90
  6. Step 6: Final answer
    x = 71,763,958.65

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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.