Home / 279,038,679.28-385,070,321.52-153,588,193

Finding the Fourth Proportional to 279,038,679.28, 385,070,321.52 and 153,588,193

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Solution

The fourth proportional to 279,038,679.28, 385,070,321.52 and 153,588,193 is: 211,950,024.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,038,679.28 : 385,070,321.52 = 153,588,193 : x
  2. Step 2: Convert to fraction form
    279,038,679.28/385,070,321.52 = 153,588,193/x
  3. Step 3: Cross multiply
    279,038,679.28x = 385,070,321.52 × 153,588,193
  4. Step 4: Simplify right side
    279,038,679.28x = 59,142,254,860,185,808
  5. Step 5: Solve for x
    x = 59,142,254,860,185,808/279,038,679.28
  6. Step 6: Final answer
    x = 211,950,024.32

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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.