Home / 109,077,136.70-163,615,705.05-100,148,927.90

Finding the Fourth Proportional to 109,077,136.70, 163,615,705.05 and 100,148,927.90

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Solution

The fourth proportional to 109,077,136.70, 163,615,705.05 and 100,148,927.90 is: 150,223,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,077,136.70 : 163,615,705.05 = 100,148,927.90 : x
  2. Step 2: Convert to fraction form
    109,077,136.70/163,615,705.05 = 100,148,927.90/x
  3. Step 3: Cross multiply
    109,077,136.70x = 163,615,705.05 × 100,148,927.90
  4. Step 4: Simplify right side
    109,077,136.70x = 16,385,937,448,360,118
  5. Step 5: Solve for x
    x = 16,385,937,448,360,118/109,077,136.70
  6. Step 6: Final answer
    x = 150,223,391.85

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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.