Home / 216,483,254.98-298,779,238.47-170,420,136.10

Finding the Fourth Proportional to 216,483,254.98, 298,779,238.47 and 170,420,136.10

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Solution

The fourth proportional to 216,483,254.98, 298,779,238.47 and 170,420,136.10 is: 235,205,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,483,254.98 : 298,779,238.47 = 170,420,136.10 : x
  2. Step 2: Convert to fraction form
    216,483,254.98/298,779,238.47 = 170,420,136.10/x
  3. Step 3: Cross multiply
    216,483,254.98x = 298,779,238.47 × 170,420,136.10
  4. Step 4: Simplify right side
    216,483,254.98x = 50,917,998,483,803,880
  5. Step 5: Solve for x
    x = 50,917,998,483,803,880/216,483,254.98
  6. Step 6: Final answer
    x = 235,205,251.74

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1.5x scale

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.