Home / 99,035,526.89-136,669,522.29-61,887,378.17

Finding the Fourth Proportional to 99,035,526.89, 136,669,522.29 and 61,887,378.17

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Solution

The fourth proportional to 99,035,526.89, 136,669,522.29 and 61,887,378.17 is: 85,404,891.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,035,526.89 : 136,669,522.29 = 61,887,378.17 : x
  2. Step 2: Convert to fraction form
    99,035,526.89/136,669,522.29 = 61,887,378.17/x
  3. Step 3: Cross multiply
    99,035,526.89x = 136,669,522.29 × 61,887,378.17
  4. Step 4: Simplify right side
    99,035,526.89x = 8,458,118,410,274,474
  5. Step 5: Solve for x
    x = 8,458,118,410,274,474/99,035,526.89
  6. Step 6: Final answer
    x = 85,404,891.31

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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.