Home / 298,898,277.04-448,331,472.28-80,545,113.40

Finding the Fourth Proportional to 298,898,277.04, 448,331,472.28 and 80,545,113.40

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Solution

The fourth proportional to 298,898,277.04, 448,331,472.28 and 80,545,113.40 is: 120,813,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,898,277.04 : 448,331,472.28 = 80,545,113.40 : x
  2. Step 2: Convert to fraction form
    298,898,277.04/448,331,472.28 = 80,545,113.40/x
  3. Step 3: Cross multiply
    298,898,277.04x = 448,331,472.28 × 80,545,113.40
  4. Step 4: Simplify right side
    298,898,277.04x = 36,110,909,275,581,560
  5. Step 5: Solve for x
    x = 36,110,909,275,581,560/298,898,277.04
  6. Step 6: Final answer
    x = 120,813,373.81

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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.