Home / 355,554,752.61-532,269,533.69-215,070,060.21

Finding the Fourth Proportional to 355,554,752.61, 532,269,533.69 and 215,070,060.21

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Solution

The fourth proportional to 355,554,752.61, 532,269,533.69 and 215,070,060.21 is: 321,962,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,554,752.61 : 532,269,533.69 = 215,070,060.21 : x
  2. Step 2: Convert to fraction form
    355,554,752.61/532,269,533.69 = 215,070,060.21/x
  3. Step 3: Cross multiply
    355,554,752.61x = 532,269,533.69 × 215,070,060.21
  4. Step 4: Simplify right side
    355,554,752.61x = 114,475,240,658,656,928
  5. Step 5: Solve for x
    x = 114,475,240,658,656,928/355,554,752.61
  6. Step 6: Final answer
    x = 321,962,341.43

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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.