Home / 275,426,750.88-380,060,019.36-156,311,411.16

Finding the Fourth Proportional to 275,426,750.88, 380,060,019.36 and 156,311,411.16

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Solution

The fourth proportional to 275,426,750.88, 380,060,019.36 and 156,311,411.16 is: 215,693,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,426,750.88 : 380,060,019.36 = 156,311,411.16 : x
  2. Step 2: Convert to fraction form
    275,426,750.88/380,060,019.36 = 156,311,411.16/x
  3. Step 3: Cross multiply
    275,426,750.88x = 380,060,019.36 × 156,311,411.16
  4. Step 4: Simplify right side
    275,426,750.88x = 59,407,717,951,658,520
  5. Step 5: Solve for x
    x = 59,407,717,951,658,520/275,426,750.88
  6. Step 6: Final answer
    x = 215,693,347.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.