Home / 53,665,312.90-80,497,969.35-47,842,644.10

Finding the Fourth Proportional to 53,665,312.90, 80,497,969.35 and 47,842,644.10

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Solution

The fourth proportional to 53,665,312.90, 80,497,969.35 and 47,842,644.10 is: 71,763,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,665,312.90 : 80,497,969.35 = 47,842,644.10 : x
  2. Step 2: Convert to fraction form
    53,665,312.90/80,497,969.35 = 47,842,644.10/x
  3. Step 3: Cross multiply
    53,665,312.90x = 80,497,969.35 × 47,842,644.10
  4. Step 4: Simplify right side
    53,665,312.90x = 3,851,235,698,384,758
  5. Step 5: Solve for x
    x = 3,851,235,698,384,758/53,665,312.90
  6. Step 6: Final answer
    x = 71,763,966.15

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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.