Home / 99,651,950.20-149,477,925.30-83,496,143.80

Finding the Fourth Proportional to 99,651,950.20, 149,477,925.30 and 83,496,143.80

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Solution

The fourth proportional to 99,651,950.20, 149,477,925.30 and 83,496,143.80 is: 125,244,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651,950.20 : 149,477,925.30 = 83,496,143.80 : x
  2. Step 2: Convert to fraction form
    99,651,950.20/149,477,925.30 = 83,496,143.80/x
  3. Step 3: Cross multiply
    99,651,950.20x = 149,477,925.30 × 83,496,143.80
  4. Step 4: Simplify right side
    99,651,950.20x = 12,480,830,345,774,458
  5. Step 5: Solve for x
    x = 12,480,830,345,774,458/99,651,950.20
  6. Step 6: Final answer
    x = 125,244,215.70

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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.