Home / 190,914,294.32-286,571,821.98-169,193,636.36

Finding the Fourth Proportional to 190,914,294.32, 286,571,821.98 and 169,193,636.36

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Solution

The fourth proportional to 190,914,294.32, 286,571,821.98 and 169,193,636.36 is: 253,968,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,914,294.32 : 286,571,821.98 = 169,193,636.36 : x
  2. Step 2: Convert to fraction form
    190,914,294.32/286,571,821.98 = 169,193,636.36/x
  3. Step 3: Cross multiply
    190,914,294.32x = 286,571,821.98 × 169,193,636.36
  4. Step 4: Simplify right side
    190,914,294.32x = 48,486,128,639,106,784
  5. Step 5: Solve for x
    x = 48,486,128,639,106,784/190,914,294.32
  6. Step 6: Final answer
    x = 253,968,037.40

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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.