Home / 331,842,709.60-497,764,064.40-101,811,425.20

Finding the Fourth Proportional to 331,842,709.60, 497,764,064.40 and 101,811,425.20

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Solution

The fourth proportional to 331,842,709.60, 497,764,064.40 and 101,811,425.20 is: 152,717,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,842,709.60 : 497,764,064.40 = 101,811,425.20 : x
  2. Step 2: Convert to fraction form
    331,842,709.60/497,764,064.40 = 101,811,425.20/x
  3. Step 3: Cross multiply
    331,842,709.60x = 497,764,064.40 × 101,811,425.20
  4. Step 4: Simplify right side
    331,842,709.60x = 50,678,068,809,908,584
  5. Step 5: Solve for x
    x = 50,678,068,809,908,584/331,842,709.60
  6. Step 6: Final answer
    x = 152,717,137.80

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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.