Home / 302,429,270.80-453,643,906.20-87,018,518.80

Finding the Fourth Proportional to 302,429,270.80, 453,643,906.20 and 87,018,518.80

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Solution

The fourth proportional to 302,429,270.80, 453,643,906.20 and 87,018,518.80 is: 130,527,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,429,270.80 : 453,643,906.20 = 87,018,518.80 : x
  2. Step 2: Convert to fraction form
    302,429,270.80/453,643,906.20 = 87,018,518.80/x
  3. Step 3: Cross multiply
    302,429,270.80x = 453,643,906.20 × 87,018,518.80
  4. Step 4: Simplify right side
    302,429,270.80x = 39,475,420,780,170,136
  5. Step 5: Solve for x
    x = 39,475,420,780,170,136/302,429,270.80
  6. Step 6: Final answer
    x = 130,527,778.20

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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.