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Finding the Fourth Proportional to 84,889,421.45, 127,334,132.18 and 84,889,421.45

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Solution

The fourth proportional to 84,889,421.45, 127,334,132.18 and 84,889,421.45 is: 127,334,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,889,421.45 : 127,334,132.18 = 84,889,421.45 : x
  2. Step 2: Convert to fraction form
    84,889,421.45/127,334,132.18 = 84,889,421.45/x
  3. Step 3: Cross multiply
    84,889,421.45x = 127,334,132.18 × 84,889,421.45
  4. Step 4: Simplify right side
    84,889,421.45x = 10,809,320,811,173,580
  5. Step 5: Solve for x
    x = 10,809,320,811,173,580/84,889,421.45
  6. Step 6: Final answer
    x = 127,334,132.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.