Home / 156,557,276.82-234,732,259.53-74,688,790.77

Finding the Fourth Proportional to 156,557,276.82, 234,732,259.53 and 74,688,790.77

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Solution

The fourth proportional to 156,557,276.82, 234,732,259.53 and 74,688,790.77 is: 111,983,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,557,276.82 : 234,732,259.53 = 74,688,790.77 : x
  2. Step 2: Convert to fraction form
    156,557,276.82/234,732,259.53 = 74,688,790.77/x
  3. Step 3: Cross multiply
    156,557,276.82x = 234,732,259.53 × 74,688,790.77
  4. Step 4: Simplify right side
    156,557,276.82x = 17,531,868,619,005,508
  5. Step 5: Solve for x
    x = 17,531,868,619,005,508/156,557,276.82
  6. Step 6: Final answer
    x = 111,983,735.12

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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.