Home / 124,416,093.30-186,624,139.95-79,178,435.70

Finding the Fourth Proportional to 124,416,093.30, 186,624,139.95 and 79,178,435.70

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Solution

The fourth proportional to 124,416,093.30, 186,624,139.95 and 79,178,435.70 is: 118,767,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,093.30 : 186,624,139.95 = 79,178,435.70 : x
  2. Step 2: Convert to fraction form
    124,416,093.30/186,624,139.95 = 79,178,435.70/x
  3. Step 3: Cross multiply
    124,416,093.30x = 186,624,139.95 × 79,178,435.70
  4. Step 4: Simplify right side
    124,416,093.30x = 14,776,607,465,098,876
  5. Step 5: Solve for x
    x = 14,776,607,465,098,876/124,416,093.30
  6. Step 6: Final answer
    x = 118,767,653.55

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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.