Home / 120,712,003.29-166,586,588.28-67,798,035.63

Finding the Fourth Proportional to 120,712,003.29, 166,586,588.28 and 67,798,035.63

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Solution

The fourth proportional to 120,712,003.29, 166,586,588.28 and 67,798,035.63 is: 93,563,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,712,003.29 : 166,586,588.28 = 67,798,035.63 : x
  2. Step 2: Convert to fraction form
    120,712,003.29/166,586,588.28 = 67,798,035.63/x
  3. Step 3: Cross multiply
    120,712,003.29x = 166,586,588.28 × 67,798,035.63
  4. Step 4: Simplify right side
    120,712,003.29x = 11,294,243,447,687,580
  5. Step 5: Solve for x
    x = 11,294,243,447,687,580/120,712,003.29
  6. Step 6: Final answer
    x = 93,563,549.11

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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.