Home / 165,162,033,838.20-247,875,439,845.42-85,596,331,045.32

Finding the Fourth Proportional to 165,162,033,838.20, 247,875,439,845.42 and 85,596,331,045.32

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Solution

The fourth proportional to 165,162,033,838.20, 247,875,439,845.42 and 85,596,331,045.32 is: 128,463,108,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,162,033,838.20 : 247,875,439,845.42 = 85,596,331,045.32 : x
  2. Step 2: Convert to fraction form
    165,162,033,838.20/247,875,439,845.42 = 85,596,331,045.32/x
  3. Step 3: Cross multiply
    165,162,033,838.20x = 247,875,439,845.42 × 85,596,331,045.32
  4. Step 4: Simplify right side
    165,162,033,838.20x = 21,217,228,207,012,878,221,312
  5. Step 5: Solve for x
    x = 21,217,228,207,012,878,221,312/165,162,033,838.20
  6. Step 6: Final answer
    x = 128,463,108,100.24

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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.