Home / 247,723,315.60-371,573,163.60-83,945,009.20

Finding the Fourth Proportional to 247,723,315.60, 371,573,163.60 and 83,945,009.20

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Solution

The fourth proportional to 247,723,315.60, 371,573,163.60 and 83,945,009.20 is: 125,913,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,723,315.60 : 371,573,163.60 = 83,945,009.20 : x
  2. Step 2: Convert to fraction form
    247,723,315.60/371,573,163.60 = 83,945,009.20/x
  3. Step 3: Cross multiply
    247,723,315.60x = 371,573,163.60 × 83,945,009.20
  4. Step 4: Simplify right side
    247,723,315.60x = 31,191,712,636,875,108
  5. Step 5: Solve for x
    x = 31,191,712,636,875,108/247,723,315.60
  6. Step 6: Final answer
    x = 125,913,511.86

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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.