Home / 163,960,665.90-245,940,998.85-42,792,117.90

Finding the Fourth Proportional to 163,960,665.90, 245,940,998.85 and 42,792,117.90

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Solution

The fourth proportional to 163,960,665.90, 245,940,998.85 and 42,792,117.90 is: 64,188,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,960,665.90 : 245,940,998.85 = 42,792,117.90 : x
  2. Step 2: Convert to fraction form
    163,960,665.90/245,940,998.85 = 42,792,117.90/x
  3. Step 3: Cross multiply
    163,960,665.90x = 245,940,998.85 × 42,792,117.90
  4. Step 4: Simplify right side
    163,960,665.90x = 10,524,336,219,232,964
  5. Step 5: Solve for x
    x = 10,524,336,219,232,964/163,960,665.90
  6. Step 6: Final answer
    x = 64,188,176.85

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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.