Home / 156,161,270.94-215,502,574.14-86,551,145.88

Finding the Fourth Proportional to 156,161,270.94, 215,502,574.14 and 86,551,145.88

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Solution

The fourth proportional to 156,161,270.94, 215,502,574.14 and 86,551,145.88 is: 119,440,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,161,270.94 : 215,502,574.14 = 86,551,145.88 : x
  2. Step 2: Convert to fraction form
    156,161,270.94/215,502,574.14 = 86,551,145.88/x
  3. Step 3: Cross multiply
    156,161,270.94x = 215,502,574.14 × 86,551,145.88
  4. Step 4: Simplify right side
    156,161,270.94x = 18,651,994,731,906,652
  5. Step 5: Solve for x
    x = 18,651,994,731,906,652/156,161,270.94
  6. Step 6: Final answer
    x = 119,440,592.53

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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.