Home / 156,135,670,395.89-215,387,926,675.90-101,973,922,826.98

Finding the Fourth Proportional to 156,135,670,395.89, 215,387,926,675.90 and 101,973,922,826.98

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Solution

The fourth proportional to 156,135,670,395.89, 215,387,926,675.90 and 101,973,922,826.98 is: 140,672,222,798.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,135,670,395.89 : 215,387,926,675.90 = 101,973,922,826.98 : x
  2. Step 2: Convert to fraction form
    156,135,670,395.89/215,387,926,675.90 = 101,973,922,826.98/x
  3. Step 3: Cross multiply
    156,135,670,395.89x = 215,387,926,675.90 × 101,973,922,826.98
  4. Step 4: Simplify right side
    156,135,670,395.89x = 21,963,951,812,711,450,411,008
  5. Step 5: Solve for x
    x = 21,963,951,812,711,450,411,008/156,135,670,395.89
  6. Step 6: Final answer
    x = 140,672,222,798.42

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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.