Home / 211,605,200.02-292,058,136.84-122,300,937.70

Finding the Fourth Proportional to 211,605,200.02, 292,058,136.84 and 122,300,937.70

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Solution

The fourth proportional to 211,605,200.02, 292,058,136.84 and 122,300,937.70 is: 168,800,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,605,200.02 : 292,058,136.84 = 122,300,937.70 : x
  2. Step 2: Convert to fraction form
    211,605,200.02/292,058,136.84 = 122,300,937.70/x
  3. Step 3: Cross multiply
    211,605,200.02x = 292,058,136.84 × 122,300,937.70
  4. Step 4: Simplify right side
    211,605,200.02x = 35,718,983,998,446,912
  5. Step 5: Solve for x
    x = 35,718,983,998,446,912/211,605,200.02
  6. Step 6: Final answer
    x = 168,800,123.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.