Home / 287,566,857.60-431,243,998.20-93,484,604.40

Finding the Fourth Proportional to 287,566,857.60, 431,243,998.20 and 93,484,604.40

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Solution

The fourth proportional to 287,566,857.60, 431,243,998.20 and 93,484,604.40 is: 140,192,353.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,566,857.60 : 431,243,998.20 = 93,484,604.40 : x
  2. Step 2: Convert to fraction form
    287,566,857.60/431,243,998.20 = 93,484,604.40/x
  3. Step 3: Cross multiply
    287,566,857.60x = 431,243,998.20 × 93,484,604.40
  4. Step 4: Simplify right side
    287,566,857.60x = 40,314,674,571,601,312
  5. Step 5: Solve for x
    x = 40,314,674,571,601,312/287,566,857.60
  6. Step 6: Final answer
    x = 140,192,353.56

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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.