Home / 293,653,000.90-439,975,616.55-139,968,136.90

Finding the Fourth Proportional to 293,653,000.90, 439,975,616.55 and 139,968,136.90

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Solution

The fourth proportional to 293,653,000.90, 439,975,616.55 and 139,968,136.90 is: 209,712,031.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,653,000.90 : 439,975,616.55 = 139,968,136.90 : x
  2. Step 2: Convert to fraction form
    293,653,000.90/439,975,616.55 = 139,968,136.90/x
  3. Step 3: Cross multiply
    293,653,000.90x = 439,975,616.55 × 139,968,136.90
  4. Step 4: Simplify right side
    293,653,000.90x = 61,582,567,329,932,312
  5. Step 5: Solve for x
    x = 61,582,567,329,932,312/293,653,000.90
  6. Step 6: Final answer
    x = 209,712,031.35

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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.