Home / 53,445,101.70-80,167,652.55-47,386,674.30

Finding the Fourth Proportional to 53,445,101.70, 80,167,652.55 and 47,386,674.30

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Solution

The fourth proportional to 53,445,101.70, 80,167,652.55 and 47,386,674.30 is: 71,080,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,445,101.70 : 80,167,652.55 = 47,386,674.30 : x
  2. Step 2: Convert to fraction form
    53,445,101.70/80,167,652.55 = 47,386,674.30/x
  3. Step 3: Cross multiply
    53,445,101.70x = 80,167,652.55 × 47,386,674.30
  4. Step 4: Simplify right side
    53,445,101.70x = 3,798,878,440,782,414
  5. Step 5: Solve for x
    x = 3,798,878,440,782,414/53,445,101.70
  6. Step 6: Final answer
    x = 71,080,011.45

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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.