Home / 223,985,455.12-309,084,144.22-124,861,817.92

Finding the Fourth Proportional to 223,985,455.12, 309,084,144.22 and 124,861,817.92

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Solution

The fourth proportional to 223,985,455.12, 309,084,144.22 and 124,861,817.92 is: 172,300,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,985,455.12 : 309,084,144.22 = 124,861,817.92 : x
  2. Step 2: Convert to fraction form
    223,985,455.12/309,084,144.22 = 124,861,817.92/x
  3. Step 3: Cross multiply
    223,985,455.12x = 309,084,144.22 × 124,861,817.92
  4. Step 4: Simplify right side
    223,985,455.12x = 38,592,808,136,011,248
  5. Step 5: Solve for x
    x = 38,592,808,136,011,248/223,985,455.12
  6. Step 6: Final answer
    x = 172,300,509.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.