Home / 291,228,402.80-436,842,604.20-83,966,412.80

Finding the Fourth Proportional to 291,228,402.80, 436,842,604.20 and 83,966,412.80

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Solution

The fourth proportional to 291,228,402.80, 436,842,604.20 and 83,966,412.80 is: 125,949,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,228,402.80 : 436,842,604.20 = 83,966,412.80 : x
  2. Step 2: Convert to fraction form
    291,228,402.80/436,842,604.20 = 83,966,412.80/x
  3. Step 3: Cross multiply
    291,228,402.80x = 436,842,604.20 × 83,966,412.80
  4. Step 4: Simplify right side
    291,228,402.80x = 36,680,106,432,884,208
  5. Step 5: Solve for x
    x = 36,680,106,432,884,208/291,228,402.80
  6. Step 6: Final answer
    x = 125,949,619.20

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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.