Home / 100,014,782.60-150,022,173.90-42,508,929.80

Finding the Fourth Proportional to 100,014,782.60, 150,022,173.90 and 42,508,929.80

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Solution

The fourth proportional to 100,014,782.60, 150,022,173.90 and 42,508,929.80 is: 63,763,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,014,782.60 : 150,022,173.90 = 42,508,929.80 : x
  2. Step 2: Convert to fraction form
    100,014,782.60/150,022,173.90 = 42,508,929.80/x
  3. Step 3: Cross multiply
    100,014,782.60x = 150,022,173.90 × 42,508,929.80
  4. Step 4: Simplify right side
    100,014,782.60x = 6,377,282,058,758,492
  5. Step 5: Solve for x
    x = 6,377,282,058,758,492/100,014,782.60
  6. Step 6: Final answer
    x = 63,763,394.70

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1.5x scale

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.