Home / 156,893,929.54-216,020,781.94-133,322,749.72

Finding the Fourth Proportional to 156,893,929.54, 216,020,781.94 and 133,322,749.72

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Solution

The fourth proportional to 156,893,929.54, 216,020,781.94 and 133,322,749.72 is: 183,566,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,893,929.54 : 216,020,781.94 = 133,322,749.72 : x
  2. Step 2: Convert to fraction form
    156,893,929.54/216,020,781.94 = 133,322,749.72/x
  3. Step 3: Cross multiply
    156,893,929.54x = 216,020,781.94 × 133,322,749.72
  4. Step 4: Simplify right side
    156,893,929.54x = 28,800,484,643,825,212
  5. Step 5: Solve for x
    x = 28,800,484,643,825,212/156,893,929.54
  6. Step 6: Final answer
    x = 183,566,596.42

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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.