Home / 77,611,331.52-116,358,539.04-46,899,380.16

Finding the Fourth Proportional to 77,611,331.52, 116,358,539.04 and 46,899,380.16

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Solution

The fourth proportional to 77,611,331.52, 116,358,539.04 and 46,899,380.16 is: 70,313,744.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,611,331.52 : 116,358,539.04 = 46,899,380.16 : x
  2. Step 2: Convert to fraction form
    77,611,331.52/116,358,539.04 = 46,899,380.16/x
  3. Step 3: Cross multiply
    77,611,331.52x = 116,358,539.04 × 46,899,380.16
  4. Step 4: Simplify right side
    77,611,331.52x = 5,457,143,357,299,161
  5. Step 5: Solve for x
    x = 5,457,143,357,299,161/77,611,331.52
  6. Step 6: Final answer
    x = 70,313,744.79

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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.