Home / 124,521,475.80-186,278,328.90-109,404,931.80

Finding the Fourth Proportional to 124,521,475.80, 186,278,328.90 and 109,404,931.80

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Solution

The fourth proportional to 124,521,475.80, 186,278,328.90 and 109,404,931.80 is: 163,664,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,521,475.80 : 186,278,328.90 = 109,404,931.80 : x
  2. Step 2: Convert to fraction form
    124,521,475.80/186,278,328.90 = 109,404,931.80/x
  3. Step 3: Cross multiply
    124,521,475.80x = 186,278,328.90 × 109,404,931.80
  4. Step 4: Simplify right side
    124,521,475.80x = 20,379,767,869,122,468
  5. Step 5: Solve for x
    x = 20,379,767,869,122,468/124,521,475.80
  6. Step 6: Final answer
    x = 163,664,683.05

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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.