Home / 114,139,206.02-171,239,699.06-81,391,147.34

Finding the Fourth Proportional to 114,139,206.02, 171,239,699.06 and 81,391,147.34

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Solution

The fourth proportional to 114,139,206.02, 171,239,699.06 and 81,391,147.34 is: 122,108,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,139,206.02 : 171,239,699.06 = 81,391,147.34 : x
  2. Step 2: Convert to fraction form
    114,139,206.02/171,239,699.06 = 81,391,147.34/x
  3. Step 3: Cross multiply
    114,139,206.02x = 171,239,699.06 × 81,391,147.34
  4. Step 4: Simplify right side
    114,139,206.02x = 13,937,395,575,386,564
  5. Step 5: Solve for x
    x = 13,937,395,575,386,564/114,139,206.02
  6. Step 6: Final answer
    x = 122,108,748.27

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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.