Home / 216,230,254.82-298,402,570.05-123,408,900.98

Finding the Fourth Proportional to 216,230,254.82, 298,402,570.05 and 123,408,900.98

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Solution

The fourth proportional to 216,230,254.82, 298,402,570.05 and 123,408,900.98 is: 170,307,033.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,230,254.82 : 298,402,570.05 = 123,408,900.98 : x
  2. Step 2: Convert to fraction form
    216,230,254.82/298,402,570.05 = 123,408,900.98/x
  3. Step 3: Cross multiply
    216,230,254.82x = 298,402,570.05 × 123,408,900.98
  4. Step 4: Simplify right side
    216,230,254.82x = 36,825,533,219,477,968
  5. Step 5: Solve for x
    x = 36,825,533,219,477,968/216,230,254.82
  6. Step 6: Final answer
    x = 170,307,033.35

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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.