Home / 114,019,398.08-171,042,549.06-85,447,137.01

Finding the Fourth Proportional to 114,019,398.08, 171,042,549.06 and 85,447,137.01

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Solution

The fourth proportional to 114,019,398.08, 171,042,549.06 and 85,447,137.01 is: 128,180,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,019,398.08 : 171,042,549.06 = 85,447,137.01 : x
  2. Step 2: Convert to fraction form
    114,019,398.08/171,042,549.06 = 85,447,137.01/x
  3. Step 3: Cross multiply
    114,019,398.08x = 171,042,549.06 × 85,447,137.01
  4. Step 4: Simplify right side
    114,019,398.08x = 14,615,096,124,069,468
  5. Step 5: Solve for x
    x = 14,615,096,124,069,468/114,019,398.08
  6. Step 6: Final answer
    x = 128,180,786.52

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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.