Home / 99,043,319.60-148,676,953.80-76,424,490.80

Finding the Fourth Proportional to 99,043,319.60, 148,676,953.80 and 76,424,490.80

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Solution

The fourth proportional to 99,043,319.60, 148,676,953.80 and 76,424,490.80 is: 114,723,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,043,319.60 : 148,676,953.80 = 76,424,490.80 : x
  2. Step 2: Convert to fraction form
    99,043,319.60/148,676,953.80 = 76,424,490.80/x
  3. Step 3: Cross multiply
    99,043,319.60x = 148,676,953.80 × 76,424,490.80
  4. Step 4: Simplify right side
    99,043,319.60x = 11,362,560,487,860,126
  5. Step 5: Solve for x
    x = 11,362,560,487,860,126/99,043,319.60
  6. Step 6: Final answer
    x = 114,723,138.66

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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.