Home / 87,462,551.60-131,004,870.60-72,346,007.60

Finding the Fourth Proportional to 87,462,551.60, 131,004,870.60 and 72,346,007.60

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Solution

The fourth proportional to 87,462,551.60, 131,004,870.60 and 72,346,007.60 is: 108,362,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,462,551.60 : 131,004,870.60 = 72,346,007.60 : x
  2. Step 2: Convert to fraction form
    87,462,551.60/131,004,870.60 = 72,346,007.60/x
  3. Step 3: Cross multiply
    87,462,551.60x = 131,004,870.60 × 72,346,007.60
  4. Step 4: Simplify right side
    87,462,551.60x = 9,477,679,364,064,616
  5. Step 5: Solve for x
    x = 9,477,679,364,064,616/87,462,551.60
  6. Step 6: Final answer
    x = 108,362,712.85

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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.