Home / 99,278,566.20-148,931,846.10-31,114,150.20

Finding the Fourth Proportional to 99,278,566.20, 148,931,846.10 and 31,114,150.20

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Solution

The fourth proportional to 99,278,566.20, 148,931,846.10 and 31,114,150.20 is: 46,675,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,278,566.20 : 148,931,846.10 = 31,114,150.20 : x
  2. Step 2: Convert to fraction form
    99,278,566.20/148,931,846.10 = 31,114,150.20/x
  3. Step 3: Cross multiply
    99,278,566.20x = 148,931,846.10 × 31,114,150.20
  4. Step 4: Simplify right side
    99,278,566.20x = 4,633,887,829,118,684
  5. Step 5: Solve for x
    x = 4,633,887,829,118,684/99,278,566.20
  6. Step 6: Final answer
    x = 46,675,611.93

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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.