Home / 355,872,041.20-533,808,061.80-212,544,809.20

Finding the Fourth Proportional to 355,872,041.20, 533,808,061.80 and 212,544,809.20

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Solution

The fourth proportional to 355,872,041.20, 533,808,061.80 and 212,544,809.20 is: 318,817,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,872,041.20 : 533,808,061.80 = 212,544,809.20 : x
  2. Step 2: Convert to fraction form
    355,872,041.20/533,808,061.80 = 212,544,809.20/x
  3. Step 3: Cross multiply
    355,872,041.20x = 533,808,061.80 × 212,544,809.20
  4. Step 4: Simplify right side
    355,872,041.20x = 113,458,132,644,702,800
  5. Step 5: Solve for x
    x = 113,458,132,644,702,800/355,872,041.20
  6. Step 6: Final answer
    x = 318,817,213.80

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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.