Home / 85,776,573.84-128,728,643.40-34,659,035.52

Finding the Fourth Proportional to 85,776,573.84, 128,728,643.40 and 34,659,035.52

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Solution

The fourth proportional to 85,776,573.84, 128,728,643.40 and 34,659,035.52 is: 52,014,325.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,776,573.84 : 128,728,643.40 = 34,659,035.52 : x
  2. Step 2: Convert to fraction form
    85,776,573.84/128,728,643.40 = 34,659,035.52/x
  3. Step 3: Cross multiply
    85,776,573.84x = 128,728,643.40 × 34,659,035.52
  4. Step 4: Simplify right side
    85,776,573.84x = 4,461,610,624,042,014
  5. Step 5: Solve for x
    x = 4,461,610,624,042,014/85,776,573.84
  6. Step 6: Final answer
    x = 52,014,325.41

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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.