Home / 146,157,214.06-201,671,320.21-83,404,660.78

Finding the Fourth Proportional to 146,157,214.06, 201,671,320.21 and 83,404,660.78

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Solution

The fourth proportional to 146,157,214.06, 201,671,320.21 and 83,404,660.78 is: 115,083,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,157,214.06 : 201,671,320.21 = 83,404,660.78 : x
  2. Step 2: Convert to fraction form
    146,157,214.06/201,671,320.21 = 83,404,660.78/x
  3. Step 3: Cross multiply
    146,157,214.06x = 201,671,320.21 × 83,404,660.78
  4. Step 4: Simplify right side
    146,157,214.06x = 16,820,328,051,169,810
  5. Step 5: Solve for x
    x = 16,820,328,051,169,810/146,157,214.06
  6. Step 6: Final answer
    x = 115,083,803.15

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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.